Answer:
Uhm what. Is this supposed to be a question?
Explanation:
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 main problems of evidence in dealing with early civilizations is that much of the potential evidence itself--such as tools, homes, etc--has vanished due to the fact that it was made of materials such as clay that could not withstand the test of time and weather.