Which statements accurately describe political achievements under the Ming dynasty in China? Choose all answers that are correct.

A late Ming emperor built a new capital at what is now Beijing in the north.

The emperor and his court met in their new complex known as the Forbidden City.

Early Ming emperors discouraged trade or contact with the outside world to avoid its corruption.

A peasant warrior defeated the Mongols and called his new dynasty Ming or "brilliant."

The emperor ended the civil service which had become corrupt.