I don’t know this give me some details
I think it's A because slavery wasn't abolished in Washington DC until 1862.
A. House of Representatives. It then goes to college so they can decide if they will remove him from office or not
Answer:
I think it's either b or d, but it's most likely to be D.
Explanation:
The correct answer should be Advances in Technology and Industrial revolution
Mexican-American war happened in the 40s so that's before 1860, while a war with Spain occurred in 1898 which is after the mentioned period. They did advance in technology exactly due to the industrial revolution. An agrarian revolution. An agricultural revolution didn't happen in the US because of the Long depression that slowed it all down.
