<span>Trench warfare had seen fast
advances in metallurgy, science, and high-accuracy large scale manufacturing.
Apparently overnight, weapons innovation had turned out to be boundlessly
further developed that it was only a couple of decades prior. Equipped with
water powered systems for engrossing force, so they must never positioned again after each shot. The shells, which contained force, a warhead, and
a planning gadget, could be coordinated at the adversary all the more quickly,
more precisely, and at more prominent range than anything seen some time
recently. It was mounted guns that ruled the Great War, murdering a bigger
number of individuals from 1914 to 1918 than some other weapon.</span>
Fredrick Douglass was a black male who spoke up for the rights of black people and the rights of women. He was extremely important to the cause of black peoples rights. I think he is an important historical contributor knowing that he did so much for black rights and even womens rights.