Yes, the answer is D) to control all German-speaking nations. Hope this helps anyone out there. :)
Generally speaking, westward migration had a very negative impact on the Indian's way of life, since a large majority of Natives were either displaced from their homes or killed in order to make way for white settlements.
They feared communism would spread.
They attacked only at night under the cover of darkness. Their tactic was to engage in small skirmishes in the South Vietnamese countryside where they were familiar with the area. They used guerilla warfare and had their trip wires and pits with sharpened bamboo stakes to demobilize the enemy. After the battle, they escaped back to the jungle.
