Which of the following is not a primary reason for human migration?

a. Better job opportunities
b. political unrest
c. disastrous floods
d. improving knowledge of other cultures

advance methods of irrigation

d. improving knowledge of other cultures

b. labeled as a non-sovereign state

temperature, climate, and fertile land

China, India, and United States

seeking to improve their lives economically

Eastern Asia

language

The traditional bartering system is replaced with a more sophisticated system that relies on

(1 point)
Responses

currency.
currency.

item exchange.
item exchange.

Inherited wealth.
Inherited wealth.

trade.

currency.