I would think because in a way we can identify with Ahsoka rather than with ancient rulers. She lives in a time where technology is ahead of it's time but the world still has problems just like today. People tend to be interested in people like them and going through similar experiences and problems.
Articles of Confederation was served as the written document that established the functions of the national government of the United States after it declared independence from Great Britain.
It featured a re-match of the 1824 election, as President John Quincy Adams of the National Republican Party faced Andrew Jackson of the nascent Democratic Party. Andrew Jackson won.