How did the westward expansion affect the Native American

The Loss of American Indian Life and Culture. As American settlers pushed westward, they inevitably came into conflict with Indian tribes that had long been living on the land. ... The result was devastating for the Indian tribes, which lacked the weapons and group cohesion to fight back against such well-armed forces.

ww1 weapons: tank. tanks were used for the first time in the first world war at the battle of the somme. they were developed to cope with the conditions on the western front. the first tank was called 'little willie' and needed a crew of 3.

b.unemployment reached nearly 25 percent.