A president of the United States can only serve two terms (two each year) That's why elections are starting up soon in November because Trump's first term is up.
The Code of Hammurabi (APEX)
Because there were messages intercepted from Germany to Mexico, telling Mexico to join the war and attack the United States. I hope this helps :)
Byzantium/Constantinople was conquered in 1451, but the empire continued to decline starting around the 18th or 19th centuries. It officially died in WWI. As for how long it was a major threat to Europe, the empire's prime was the 16th century, under Suleiman the Magnificent.
The answer is 84% but if you were wanting to round to the nearest 10th then it would be 80%<span />