Hi!
The Quota System set a limit on how many immigrants from each country could enter the U.S every year. The main goal of the Quota System was to limit immigration. =)
No idea what primary research so i'm going to assume you mean primary source in which case it depends on the type of evidence, like if it's a personal account then that's a primary source but if it's someone telling of someone else's story it's not.
The idea of nullification was NOT a legacy of the Civil War.
The correct answer between all the choices given is the last choice or letter D.
D.the idea of nullification
Explanation:
The Sesquicentennial of the American Civil War is an occasion to reflect the legacy of that great conflict. This legacy is our heritage, and despite many permanent features, we continue to accommodate the resolution of that conflict. The Civil War was supported over constraint, but not always on account of slave.
B
reasons for the Great Depression
