1. It led congress to replace their military with an all volunteer one and made them decrease the voting age to 18.
2. Since President Johnson who was president at the time, refused to raise takes we had cycles of inflations occur.
3. Because of the war, it sparked widespread distrust of the U.S government since it a lot of people thought that they shouldn't have gotten involved and that it was completely horrific. It also made the U.S military less popular.
East Africa being Egypt, I'm pretty sure and it depends on what time period but the silk Road went right through east Africa so trade was probably really quick thanks to the silk road and the connection between the middle east and Africa...