All of the following were developed by the sumerians to increase the power of their armies, except a. gunpowder b. bronze weapons c. city walls d. war carts select the best answer from the choices provided a b c d

World war i is generally considered to be the first instance of total war. where every of-age citizen and all possible resources are mobilized in the war effort. in light of this, do you believe britain's blockade of germany-which eventually extended to all goods, thereby violating international law-was justified? explain your opinion.