The steam boat
The cotton gin and others
Basically the reason why Vietnam won because the Vietnamese wanted to win more than the Americans did. There were a couple of reasons for this. First, the Americans were an invading force, and the Vietnamese were fighting on their own soil. Second, the Americans were not willing to make an all-out commitment to win.
This is false.
The city -state of Asshur at the beginning of the second millennium BC, built itself an army necessary to defend itself from its neighbors. Defensive quickly turned to offensive out of greed.
By 1100 BC, the Assyrian forces had advanced from the Mediterranean sea in the west to the Persian gulf in the south . At its height, their territory spanned an immense area including Egypt , the Iranian plateau, the Arab peninsula and even the mountains of the Caucus.
E is the answer Hope this helped