Answer:
"how close the students lived to one another."
Explanation:
In the study conducted in the 1950s, social psychologist Leon Festinger and colleagues established their proximity theory, which states that individuals tend to forge friendships with those who live close to them. People who are close by, have more chances to develop a strong interpersonal relationship rather than those who live far away from each other. Probably, this is due to how frequently people can meet.
D - People who believed that the appropriate role of the government was to address the major social problems of the day
This is because the Progressives wanted better working conditions as well and wanted the government to regulate large monopolies.
Hope this helps!
Religious beliefs and practices, geography around Nile River and the creation of the Rosetta Stone, contributed significantly to the Egyptian security and stability. The only statement that did not contribute the the Egyptian's security and stability is the regular flooding of the Nile River.
The answer would be letter D.
Roman architecture and statues