Correct answer:
A. No specific
Answer:
A.
Explanation:
Zheng He was a Chinese explorer who was considered the most important "crossroad of trade".
Civil wars. Probably the most important single cause of Byzantium's collapse was its recurrent debilitating civil wars. Three of the worst periods of civil war and internal infighting took place during Byzantium's decline.
Answer:
The South had the problem of having an agricultural economy. It's difficult to win a battle when all you grow is cotton, tobacco, and rice. The South, for example, had almost no industrialization, and found it hard to produce weapons or uniforms.
In 1934 the Communists suffered huge losses against the nationalists in the Chinese Civil War. Faced with the prospect of annhilation the leaders of the Comunist army shose to start what is now called the Long March. This was a tactic of withdrawal into mountainous areas, some 2500 miles to the north and west. The purpose was simple: survival. By undertaking a tactical withdrawal the Communists could ensure that they still had an effective fighting force; could select easy to defend locations; could regroup and could ensure that the Nationalists supply lines were long and susceptible to attacks.
