The new kingdom began to decline around 1200 bce, but what event ultimately brought the era to a close?
conquered lands rejected egyptian rule.
the kush conquered egypt.
the hyksos conquered egypt.
the ruling dynasties weakened.

The New Kingdom began to decline around 1200 BCE, but the event that ultimately brought the era to a close was when the Kush conquered Egypt.
After that happened, the long reign of Egypt over half of the world suddenly ended. 

The correct answer is "The Kush conquered Egypt".

Explanation:

The New Kingdom was the period of Egypt Empire that lasted between the 16th century BC and the 11th century BC. The New Kingdom had multiple inner problems, which empowered the Kingdom of Kush located at the Sudanese and southern Egyptian Nile Valley. From 760 to 656 BCE, the Kush  conquered Egypt, which marked the end of The New Kingdom era.

Born Cassius Clay Jr., Ali changed his name in 1964 after joining the Nation of Islam. Citing his religious beliefs, he refused military induction and was stripped of his heavyweight championship and banned from boxing for three years during the prime of his career.

Explanation:

Idk who Ali is