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.
Answer:
Philosophiae Naturalis Principia Mathematica
Explanation:
The financial pressure of servicing old debt and the excesses of the ongoing royal court caused disapproval with the monarchy, devoted to national unrest and culminated in the French Revolution of seventeen eighty-nine. Political conflict: a conflict between the Monarchy and the nobility over the "reform" of the tax system led to crash and bankruptcy.