Answer:
The answer is B - Mass production made housing cheaper in the 1950s.
Explanation:
The WWII spurned the growth of mass production and after the war the industry turned from weapons to housing the veterans. This led to the use of assembly-line mass production in house building and therefore the housing became cheaper.
The belief that the United states had a duty to spread democracy across the continent.
The correct answer is b. passing ex post facto laws.
Ex post facto laws are those that retroactively change the rules of evidence in a criminal case and increase the punishment of a crime that was legal when committed. This is a violation of Article 1 Section 10 clause 1 of the constitution
I think its anthropological