Answer:
Lacking food and ravaged by smallpox disease earlier introduced by one of the Spaniards, the Aztecs, now led by Cuauhtemoc, finally collapsed after 93 days of resistance on the fateful day of 13th of August, 1521 CE. Tenochtitlan was sacked and its monuments destroyed
Explanation:
B. Wheeled transportation. Horses don’t need wheels and many civilizations existed prior to the invention of the wheel.
The major religions in the subcontinent are Hinduism, Islam, Sikhism, Buddhism, and Christianity
Slavery ended when President Abraham Lincoln delivered his iconic Emancipation Proclamation. This would eventually free black people so they could become ordinary citizens and NOT slaves. So basically, slavery was ended all thanks to good ol' Lincoln :)