What are the similarities or differences between the foreign-born population who came into the u. s. before 1970 and 1990?

Why did the united states pass the neutrality acts

Why was the nationalist party more popular in china’s cities than in the countryside?

Plz ! after the first battle of bull run general ivan mc dowell was removed from command of the union army he was replaced by a. general ulysses s. grant. b. general george mcclellan. c. general robert e lee. d. general george meade.