Number of Enlistment Cards 350
300
250
200
150
100
50
1938
1939
1940
1941
1942
1943
1944
1945
1946
Number of Enlistment Cards (in 10.000)
Which event led to the peak of 3,030,407 enlistments for US military service in 1942?
the Blitzkrieg of London by German air forces
the declaraton of war by the Soviet Union on Germany
the attack on the Pearl Harbor naval base by Japan
O the discovery of concentration camps in Poland

in the 1800s, chinese workers migrated to the united states, first to work in the gold mines, but also to take agricultural jobs, and factory work, especially in the garment industry. chinese immigrants were particularly instrumental in building railroads in the american west, and as chinese laborers grew successful in the united states, a number of them became entrepreneurs in their own right. as the numbers of chinese laborers increased, so did the strength of anti-chinese sentiment among other workers in the american economy. this finally resulted in legislation that aimed to limit future immigration of chinese workers to the united states, and threatened to sour diplomatic relations between the united states and china.

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