A historian charted U.S. immigration from four countries in the year 1910 (in thousands): Italy, 215; Russia, 186; Germany, 31; Ireland, 30. The historian argued that by 1910, the dominant sources of U.S. immigration had shifted decisively from Northern and Western Europe (e.g., Germany, Ireland) to Southern and Eastern Europe (e.g., Italy, Russia). To support this shift, the historian could cite ______
Which choice most logically completes the text using the data above?
- A
Russia's 186,000 alone.
- B
the fact that all four countries contributed immigrants.
- C
Germany's number of 31,000.
- Dcheck_circle
the dramatic ratio—Italy and Russia together (401,000) versus Germany and Ireland together (61,000)—about 6.5 to 1.
Explanation
The claim is a decisive shift from one region to another. Choice B directly compares the two regions in aggregate (401k vs. 61k, ~6.5 to 1), exactly supporting the "shifted decisively" claim.