C It showed the US that the war was far from over. The coordinated attacks throughout South Korea were proof that they had not weakened the Vietcong forces. The success of the Tet Offensive was also key in weakening support for the Vietnam War in America. Americans were already deeply divided about the war. The large loss of life only helped to strengthen the argument to get out and leave the country.
The silk road gave people new places to explore and new things to trade. The silk road boosted trade.
True - the crusades were the holy wars controlled by Jerusalem
