Answer:
The Ancient Greeks didn't have the technology at the time to send messages so they developed different ways to communicate to people at long distances. During a war, Ancient Greek armies developed a tool called the Stentorophic Horn. Ancient Greeks also used light signals to send urgent messages to armies.
Henry David Thoreau is the answer
Blacks were excluded from voting in state primates
The space race was a competition between two cold war rivals. The building of confidence was of us Americans believing that we would win the race because we were to believe that our technology was more advanced than the Russians. The Russians launched their satelittes first and one the space race, bringing down the confidence of America. The Russian's technology was more advanced being the largest country in the world, making it the richest in resources in the world. With that said, we underestimated the intelligence of the Russians.
Checks and balances helps to ensure that no branch can get too powerful.
