Responding to xenophobic concerns, Congress passed an emergency law restricting immigration in 1921. Among other provisions, the Act established a quota (a proportional share of a total) for nationalities on the basis of their numbers in the U.S. in 1910.
The missing detail is: a quota.
Yes, Washington believed people could be successfully persuaded to join the continental army by simply appealing to their feelings of patriotism!
I'm not sure but I think the forty-niners
