Answer:
1) In january 1973, the United States and North Vietnam concluded the last peace treaty, ending open hostilities between the two nations. War between North and South Vietnam continued, however, until April 30, 1969.
2) Nixon visited China to gain more leverage over the relationship with the Soviet Union. The normalization of ties culminates in 1979, when the U.S. established full diplomatic relations with the PVR.
Explanation:
Catherine Ross believes that freedom of expression is critical to the functioning of a democracy.
However, she states that the educational system of the country is failing to promote freedom of speech among students. She believes that teachers are not doing enough in order to respect students right to express themselves and even engage in acts that aim to restrain youngster's expressions.
As a result, students graduate from school with a notion that authorities are distant and would be reluctant to listen to people's views. This produces citizens that are uninterested in participating in politics.
I believe a majority of major battles happened in these places because the British had control of them at some point. New York also served as the British base of operations so they probably wanted to break Britain's hold on these cities.
Athenian democracy developed around the 6th century BC in the Greek city-state (known as a polis)
Hope this helps