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many immigrants to the united states in the late twentieth century came from
europe and latin america.
o europe and africa,
o africa and asia.
o asia and latin america.

From 1815 to 1932, 60 million people left Europe (with many returning home), primarily to "areas of European settlement" in the Americas (especially to the United States, Canada, Brazil, Argentina, and Uruguay), Australia, New Zealand and Siberia. These populations also multiplied rapidly in their new habitat; much more so than the populations of Africa and Asia. As a result, on the eve of World War I, 38% of the world's total population was of European ancestry.

More contemporary, European emigration can also refer to emigration from one European country to another, especially in the context of the internal mobility in the European Union (intra-EU mobility) or mobility within the Eurasian Union.

Explanation:

And yea i didnt feel like typing

yes ap politics. what do you need?

answer; /// i believe that the correct answer is (d)the huang he river valley;