The Know-Nothings argued that immigration to the United States:

A. Created economic problems.
B. Brought disease
C. Increased crime.
D. All of the above.

the answer should be a. the sui empire, the tang empire extended from korea in the west to manchuria in the east.

i do not believe this was true indefiantly the native americans would have lsot aganist america one they didndt have the resources and allies that america had and 2   indians werent as advanced at the time as they were not 3 americans had the expreince because some of the soliders from other wars fought in that war and were attecked etc