How do historians define the modern era? A. The period in history when people first became capable of communication
B. The present time period in which people share information using technology.
C. The period in world history that began after the end of the World War II
D. The period of world history that began after the end of the middle ages in Europe.

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.

president thomas jefferson hoped that the embargo act of 1807 would the united states by demonstrating to britain and france their dependence on american goods, convincing them to respect american neutrality and stop impressing american seamen. instead, the act had a devastating effect on american trade.