Answer:
B. Europe
Explanation:
On the graph, you can see that after 1870-1919, Europe's immigration basically goes downhill. In that case, Europe received a very major decline in immigration, making it the right answer. Apologies if I'm wrong.
Historians use terms such as A.D, B.C, decade, and century to refer to periods of time. The correct answer is B, periods of time.
Hi , the answer is Herodotus in his The Histories .