The answer would be A: The raids ignored people's civil liberties.
Occurring during the height of the Red Scare, the Palmer Raids were conducted in an attempt to find and arrest communists, radical leftists, etc. After a while, Americans started to become upset at these raids as many were arrested and detained without warrants, a violation of the people's civil liberties.
D. Oregon
Oregon was not part of Mexican territory.
Generally speaking, it would be earthquakes that do not threaten Central America, due to the fact that there are no major fault lines, although they are still technically possible.
Answer: C The Blockade
Explanation:
In the beginning of the civil war the Union had a plan to cripple the Confederacy economy by blockading all shipping lanes too and from the southern states. The south was an agricultural giant and mostly traded with europe to get industrial goods and so by not allowing the south to trade with europe they effectively could not make necessary supplies.