The long march was a tactic of retreat into the mountains so that they could survive because they were facing elimination.
You would need to show us the Map for us to be able to answer the question. Sorry!
Many terrorist organizations are nationalists by another name.
Nationalist groups want freedom or independence from what they perceive as a outside power or force. Many terrorist organizations are formed to overthrow a government or gain access to nationalist state. ISIS for example wants an independent Islamic State which is free of Western influence. The Ku Klux Klan is a white nationalist group and also a domestic terrorist organization. Much of the terminology is perspective.
Being nurses to all the wounded and cooking meals for all the men.