1-20 can you please check my answers marked with ***

which of the following were the main proponents of NAFTA?
a. labor unions
b. human rights groups
c. environmentalists
***d. large corporations

in the 1950s 40 percent of the u.s workforce was engaged in manufacturing by the 2000s fewer than___ percent of u.s workers were employed in manufacturing.
a.7
b.5
c.1
***d.15

which of the following states is considered part of the corn belt?
a. Oregon
b. Alabama
c. Texas
***d. Iowa

immigration currently accounts for about ___ of u.s population growth?
a. a quarter
***b. one third
c. three quarters
d. one half

the only central American country with a long history of democratic government is?
a. Belize
***b. costa Rica
c. Nicaragua
d. Guatemala

to avoid risk associated with tornadoes lightning and hurricanes in the untied states you should steer clear of

a. Pennsylvania
**b. Florida
c. Minnesota
d. Nevada

on Caribbean islands with mountains the windward slopes facing the trade winds force air upward causing rainfall as a result areas immediately to the leeward of the mountains have a microclimate with sparse precipitation called an?
a. slope shadow
b. drought shadow
c. ENSO
**d. rain shadow

the alternative for the Americas agreement of the early 2000s is primarily aimed at?
a. excluding the untied states from Latin America
***b. creating a Latin American union
c. improving ties with European union
d. inviting foreign investment from Asia

which of the following is the primary subsistence crop in Latin America?
a. beans
**b. corn
c. potatoes
d. wheat

the two largest metropolitan areas in Canada are Toronto and?
a. Edmonton
b. Ottawa
c. Vancouver
**d. Montreal or c not sure

which of the following is not a leading urban center in Venezuela?
**a. Salvador
b. Maracaibo
c. Valencia
d. Caracas

exports of tin and silver were the mainstays of the ___ economy for many decades however today as the market for tin has declined the country has become an exporter of other metallic ores such as gold.
a. Peruvian
**b. Bolivian
c. Ecuadorian
d. Colombian

in Mexico the expression porfiriato refers to
**a. the oppressive rule of Porfirio diaz
b. the end of the political dominance of the PRI in July 2000
c. any kind of authoritarian political oppression
d. the revolution of 1911 that overthrew Diaz

which of the following statements about the physical geography of north America is true?
a. the largest tributary of the Mississippi is the Arkansas river
b. the ancient rock of the Canadian shield covers about one fourth of Canada
c. the Mississippi drainage basin is the firth largest in the world
**d. the most geologically active region of north America is found along the west coast OR B not sure

regarding tropical rainforest the term evapotranspiration refers to the fact that?
**a. deforestation causes a loss of soil fertility due to water evaporation
b. deforestation causes a decline in atmospheric oxygen
c. the humidity of rain forest can produce local and regional precipitation
d. trees absorb carbon dioxide and exhale oxygen

in the united states as of 2009 which of the following was the largest and fastest growing immigrant group?
a. eastern Europeans and Russians
b. western Europeans
c. Asians
**d. Hispanics

which of the following is the primary aim of the parti quebecois?
**a. establishing Quebec as an independent country
b. secession from Canada in order to become a department of France
c. garnering higher income from the operation of the st. Lawrence seaway
d. improving economic opportunities for French speaking Canadians

which of Canada's Atlantic provinces has jurisdiction over mainly uninhabited Labrador?
**a. newfoundland
b. prince Edward island
c. new Brunswick
d. nova scotia

in the Caribbean Puerto rico and Jamaica are islands of the?
a. windward islands
b. leeward islands
c. lesser Antilles
***d. greater Antilles

significant settlement in Manitoba Saskatchewan and Alberta?
a. occurred only as major highways were built across Canada
***b. followed the completion of Canada's transcontinental railways
c. occurred only after world war 2
d. was a response to the world demand for wheat in the early twentieth century

Sure! Here are the answers to your questions, along with an explanation of how to arrive at each answer:

1. The main proponents of NAFTA were large corporations. This can be determined by eliminating the other options since labor unions, human rights groups, and environmentalists were not the main proponents of NAFTA.

2. By the 2000s, fewer than 15 percent of U.S workers were employed in manufacturing. This can be determined by reading the question and selecting the option that matches the given information.

3. Iowa is considered part of the corn belt. You can determine this by eliminating the other options and knowing that Iowa is a significant agricultural state known for its production of corn.

4. Immigration currently accounts for about one third of U.S population growth. You can determine this by comparing the given options and selecting the one that matches the information.

5. Costa Rica is the only Central American country with a long history of democratic government. This can be determined by comparing the given options and selecting the one that matches the information.

6. To avoid risks associated with tornadoes, lightning, and hurricanes in the United States, you should steer clear of Florida. This can be determined by comparing the options and knowing that Florida is prone to hurricanes.

7. On Caribbean islands with mountains, the areas immediately to the leeward of the mountains have a microclimate with sparse precipitation called a rain shadow. You can determine this by understanding the concept of a rain shadow and selecting the option that matches the information.

8. The Alternative for the Americas agreement of the early 2000s is primarily aimed at creating a Latin American union. This can be determined by understanding the purpose of the agreement and selecting the option that matches.

9. The primary subsistence crop in Latin America is corn. This can be determined by comparing the options and knowing that corn is a staple crop in many Latin American countries.

10. The two largest metropolitan areas in Canada are Toronto and Montreal. This can be determined by comparing the options and knowing that Toronto is one of the largest cities in Canada, and Montreal is also a significant metropolitan area.

11. Salvador is not a leading urban center in Venezuela. This can be determined by eliminating the other options and knowing that Salvador is not a major city in Venezuela.

12. Bolivian exports of tin and silver were the mainstays of the economy for many decades. This can be determined by comparing the options and knowing that Bolivia is known for its exports of these minerals.

13. In Mexico, the expression "porfiriato" refers to the oppressive rule of Porfirio Diaz. This can be determined by understanding the term and selecting the option that matches the information.

14. The most geologically active region of North America is found along the west coast. This can be determined by comparing the options and knowing that the west coast of North America is prone to earthquakes and volcanic activity.

15. Evapotranspiration in tropical rainforests refers to the fact that the humidity of rainforests can produce local and regional precipitation. This can be determined by understanding the term and selecting the option that matches the information.

16. As of 2009, the largest and fastest growing immigrant group in the United States was Hispanics. This can be determined by comparing the options and knowing the demographic trends in the United States.

17. The primary aim of the Parti Quebecois is establishing Quebec as an independent country. This can be determined by understanding the party's goals and selecting the option that matches the information.

18. Newfoundland has jurisdiction over mainly uninhabited Labrador. This can be determined by comparing the options and knowing that Newfoundland and Labrador are both provinces in Canada.

19. Puerto Rico and Jamaica are islands of the Greater Antilles. This can be determined by comparing the options and understanding the geography of the Caribbean.

20. Significant settlement in Manitoba, Saskatchewan, and Alberta followed the completion of Canada's transcontinental railways. This can be determined by comparing the options and knowing the historical context of settlement in these provinces.

immigration -- I don't know

the alternative for the Americas - I don't know
Montreal
in the Caribbean - wrong

I believe your other answers are right.