Answer:
The terms of the Versailles Treaty led to a huge economic depression in Germany. This doomed the Weimar Republic to fail and created the conditions that allowed Hitler to rise to power. Once in power, he tried to restore German pride by saying no country could disrespect Germany.
Explanation:
Because of the Natives there that were not friendly with them.
I believe it is the first one.
They keep coming up with new ways
It created in light of the fact that the two sides understand the pointlessness of sending troops into the base of current rifles weapons. Trench warfare is a sort of land fighting utilizing involved battling lines comprising to a great extent of trenches, in which troops are essentially shielded from the adversary's little arms fire and are considerably protected from big guns.