I believe your answers is a..
Washington held the British for six months.
Answer:John Adams was the spokesman of the American Revolution, playing a central role in convincing the Continental Congress to vote for independence. He also worked with Thomas Jefferson and Benjamin Franklin to write the Declaration of Independence.
Disgraced, Burgoyne returned to England, and was never given another command. These crucial colonist victories at the Battle of Saratoga persuaded the French to support the Americans with military aid, and is considered the major turning point in the American Revolution.
Women supported the American Revolution by making homespun cloth, working to produce goods and services to help the army, and even serving as spies.
The American colonists did not fight the Revolutionary War for independence from Britain by themselves. They had allies who helped them by providing aid in the form of supplies, weapons, military leaders, and soldiers. These allies played a major role in helping the colonists to gain their independence.
Explanation:
The main factor that led to the development of the four major river valley civilizations was its closeness to rivers, which was a food source, its flooding allowed for fertile soil, allowed easy transportation and cities near them were easier to defend.
The fact that fewer people had to dedicate to the production of food allowed some of them to develop other activities, such as the construction of building and cities, metal working, trade and social organization. This led to a social division, the ones that worked and the ones that ruled, creating intricate systems of governments and religions that ideologically sustained those in power.
Answer:
I think the correct answer is science.