Your answer would most DEFINITELY be D., because it is already stated that "men", (all people), easily abuse the right of liberty and may not be given 100% trust, so the government must make sure to help protect the right from the selfishness of the people's use of that right. :)
Answer:
Congress
Article 1 of the Congress is huge (just did a project), detailed explanation of the house and senate.
You means slaves? What time period?
It made Mexico into a federal republic, that was governed by a national president.
The arts and sciences flourished between both ages.