Almost Every slave served in the war
Kepler did multiple things, but his most famous work is demonstrating that the planets move in an elliptical (kind of like an oval) orbit around the sun instead of a circular orbit.
The Athenian democracy was the first democracy known all over the word, in which citizens participate directly by means of direct legislation vote. Athens is the most important capital of Greece. Their system of politics is the oldest political system because it was developed on the fifth century before C. Their kind of government is called system of direct democracy
The main reason why the western frontier was an important area for the patriots to control is because this is where many important resources, such as the Mississippi River were located--making it advantageous both for military and transport reasons.
