From 1870 to 1915, how many immigrants came to north america?

100,000

3 million

20 million

35 million

The correct answer is "20 million".

Explanation:

1870 to 1915 was a period of exponential growth of North America economy, particularly from United States industrialization and urbanization. This attracted millions of people around the world looking for a better life following the Civil War. It is estimated that around 20 million people migrated to the United States, the majority from Southern, Eastern and Central Europe, but by 1907 many people from Japan settle in large cities of America. It is estimated that by 1910, three-quarters of New York City’s population were new immigrants and first-generation Americans.

a)scientists

explanation:

the national defense education act had two main goals. the first one was to provide personal that was oriented to defense, including scholars, engineering students and so on. the other goal was to provide financial assistance for the students who would be enrolling at colleges and universities in the 1960s.

he risk-return relationship. generally, the higher the potential return of an investment, the higher the risk. there is no guarantee that you will actually get a higher return by accepting more risk. diversification enables you to reduce the risk of your portfolio without sacrificing potential returns.

explanation: