Well appeasement means giving up principles to pacify an aggressor so basically make your sentence about one country being submissive to the other for reconciliation and neutralization
It's important because without them, terror and madness would envelope the country
Spain created a formal system of government to rule its colonies. The Spanish forced Native Americans to work in the gold and silver mines.
The official record of congressional votes is published by the government, and it's known as the "Congressional Record" - that's where you should look for the information you need.
It is printed daily (whenever there is a session) and available on the official site of the government. You can see there the individual votes and also the number of votes for and against.