Which years marked the heated point of the vietnam war, as well as worldwide protests against the conflict?
a. 1967/1968
b. 1945/1946
c. 1950/1951
d. 1959/1960 user: which of the following did not occur during the cold war?
a. a space race
b. an arms race
c. a series of proxy wars
d. direct conflict between the two global superpowers

d. it adversely affected american productivity

tenochtitlan (also spelled tenochtitlán), located on an island near the western shore of lake texcoco in central mexico, was the capital city and religious centre of the aztec civilization. the traditional founding date of the city was 1345 ce and it remained the most important aztec centre until its destruction at the hands of the conquering spanish led by hernán cortés in 1521 ce, which led to the final collapse of the aztec empire.