What is the system of tribute of the olmecs?

How many people were in a group of Paleolithic people? Why did Catherine II favorer nobles? What is the subject of Patrick Henry's speech to the Virginia Convention? Did gandhi ever kill someone? Who was the first general to lose his life in the Vietnam War? Where did rush originate? What is the significance of the flag of Scotland and England in the history of the United Kingdom? Where did representatives from colonies meet in 1754 to discuss how to defend themselves from the french? Why was the Albany plan of union unacceptable to the colonies? Is Bernice a boy's name or a girl's name? What are some soccer players that play wing? What was the main issue during the Second Continental Congress? Is the Antichrist going to be a man born as the Antichrist and if so does he have no choice but to face his fate as told in the scriptures or is it a man who chooses to be the Antichrist? When did the Baltimore Colts become the Indianapolis Colts? Why is 21 as the legal drinking age when everyone matures at a different rate? When was the penny post invented? If an albino African American and a Caucasian have a child what will the skin pigmentation be like? What are events in thutmose 111 reign? Good luck in Ireland? Which political institution shares a building with Big Ben?