Answer:
what exactly are you asking? i would love to help, but i need more detail plz.
Explanation:
Well according to a website, it says that "<span>The </span>origin of Buddhism<span> points to one man, Siddhartha Gautama, the historical </span>Buddha, who was born in Lumbini (in present-day Nepal) during the 5th century BCE."
and the central beliefs of buddhism, you could check out this website, http://www.infoplease.com/encyclopedia/society/buddhism-basic-beliefs-practices.html
The amendment that ended slavery would be the 13teenth amendment
9th Amendment
The 9th amendment states the government can not expand power to take away rights. The Black Codes were an expansion of state rights which took away the freedman's rights as people.