It reflects Persian influences on Indian culture.
The taj mahal structure has a really close resemblance with the buildings that is used for holy ceremony in persian culture.
The resemblances make many historians conclude that persian culture had a really deep culture within the indian culture.
T = 411
T + 55 = 466
Write it backwards except with subtraction
466 - 55 = T
The correct answer is works of literature
Your answer is that the main reason is that people buy land and they needed to get money which means there really greedy people so the buy slaves and force them to work for little or no money so they can sell crops (they made the slaves become farmers) to make profit then they would buy more land and get more slaves to work as farmers on and on. So it spread because one guy did it and he made a lot money and other people wanted to do the same and that's how slavery spread through North America.
They were better off. Without the discovery of the uses of fire, mankind would not be here. Fire led to the rapid increase of newer, more advanced tech, such as a sword instead of a club.