Which can be learned from the information presented on this A Four countries each sent more than one million immigrants to the United States.

B More immigrants came to the United States in 1910 than in any other year.

C In 1910, immigrants outnumbered native-born American citizens.

D All of the top five countries of origin for American immigrants are located in Europe.

How did the united states respond when north vietnam attacked a us warship and sent troops to south vietnam in the early 1960s? a.the united states declined to assist south vietnam against the north. b.us leaders authorized south vietnam to invade north vietnam. c.the president did not sign the gulf of tonkin resolution. d.congress authorized the president to escalate the conflict.