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.
Answer: A new permanent
Explanation:
On July 16, 1790, a compromise between Thomas Jefferson, Alexander Hamilton and James Madison—known as the Residence Act—was passed, declaring George Washington's selection of a site on the Potomac River as the nation's new permanent capital. As part of the agreement, the federal government assumed the states' debts.
Stalin was all for communism as to where Hitler was for Fascism
