Answer:
The Battle of Marathon was significant because it proved to the Greeks that the Persians were not 'invincible', which boosted the moral of the Greek troops, increasing their confidence to incline themselves in a common cause if the Persian attacked again (which they would)
Explanation:
For one the bill of rights were before the U.S Constitution, the leaders at the time did not believe that there were enough rights unto the people. Therefore They incorporated the bill of rights into the U.S Constitution to guarantee the protection of the people from the complete control of the Strong Central Government
To start, checks and balances in between the branches is the process of all three branches checking one another so that the branches remain balanced and not corrupt.
Examples of checks and balances in the government might be if the legislative branch were to make a law, this law would first have to go to the executive branch to have the president approve. If the president finds this law unconstitutional or corrupting, he/she has the right to veto or reject this law.
Another example would be when the Judicial branch checks a law made and accepted by the legislative branch. The Judicial branch will decide whether this new law is constitutional.
About 150 years ago, the americans were hopeful and inspired by the phrase manifest destiny. According to history, Lewis and Clark discovered Oregon between 1804 and 1806, along with a small band of explorers. Lewis thought that in the course of 10 to 12 years many Americans will continue to follow the same road. However, this route Lewis and Clark had gone through would be too rugged for those much unexperienced travelers. In other words, his predictions were not really appealing to reality, more so, to what was pleasing to imagine. Nevertheless, in 1824 a passage that required low and flat wagons was discovered, by a young explorer called Jebediah Smith. This route gave way to many other settlers to find their fortune in Oregon.