With over eight million people, New York City is the most heavily populated city in the U.S. Between 1800 and 1900, the population of New York increased from about 80,000 to over three million people. In the years after the Civil War, the population of New York City tripled. With a large influx of European immigrants New York became known as the "melting pot." New York has always had the highest population density of any U.S. city. According to the 2000 census, New York City has about 26,403 people per square mile—almost twice the number of people per mile as Chicago.

Based on the information in the text and your knowledge, what is the most likely effect of the increased immigration to New York City?

Rapid development of housing****

New transportation inventions

Increasing wealth for all citizens

Departure of existing city dwellers

What can you determine was a major issue for people living in New York City in the mid- to late 1800s?

Education****

Recreation

Sanitation what does that mean?

Transportation

Sanitation means the disposal of human waste (garbage, sewage, etc.), and clean water for consumption. Was that a pressing problem with lots of people concentrated in a big city like New York?

When you don't know what a word means, please look it up.

http://www.mirriam-webster.com

Or type the word into your browser and click "enter" or click on the "search" button.

Your answer to the first question is correct. All those immigrants had to have someplace to sleep!

so the second one is b?

Recreation? I don't think so.

so its c?

http://sanitationupdates.wordpress.com/2010/07/29/a-brief-history-of-sanitation-in-new-york-city/

To your second question, the answer is sanitation. It means being clean, using things to help with that and therefore less bacteria is spread.