Yes, it is true that linguists do not know for certain how language was developed by early humans, but they're able to determine that it started somewhere in Africa, due to human migration patterns.
The answer is B rates of literacy in Europe
They were slaves and picked cotton when they got free they worked at home
-French/Indian War: 1)The British had gained more land in the New World(receiving Canada & Florida) 2)Treaty of Paris(France gave up North American territories.
-The British decision to tax colonists: 1)Colonists wanting to leave the British government and create their own started to boycott and refusing to buy certain goods from the British 2)colonies fought for their rights, Second Continental Congress decided to form a Continental Army to fight for their rights
-The Colonial Boycott of British Goods: 1) Crippled British trade, Sugar and Stamp Act were imposed
-American Revolution: 1) American colonies were free from the British and became an independent country 2)Religious tolerance and free from monarchy rule