Answer:
These concepts greatly influenced later ideas about separation of powers ... Checks and balances operate throughout the U.S. government, as each ... Once Congress has passed a bill, the president has the power to veto that bill.
"In 768 Charlemagne became king of the Franks. He fought to increase his power and territory and greatly expanded his empire. As a result, much of the original Roman empire fell under his rule. He was responsible for the creation of schools and the spread of Christianity throughout Europe.
I believe that the answer is sixty thousand people. Hope this helped :)