Buddhism started in what Asian country?

Origins of Buddhism - The Art of Asia - Buddhism. Buddhism, a religion that more than 300 million people currently practice, was founded in northeastern India by Prince Siddhartha in the sixth century B.C. Having achieved enlightenment, he became known as Shakyamuni and preached a path of salvation to his followers

Explanation:

The art and the teachings spread westward to Afghanistan and through Central Asia eastward to the Pacific -- to China, Korea, Japan, and what we now call Viet Nam. In Tang dynasty China (A.D. 618 to 907) Buddhism produced a brilliant culture that greatly influenced all nearby countries in East Asia.

The answer is India

Explanation:

but later spreaded out to other asain countries like China

becasue in the south they disallowed slavery but in the north slavery was illegial this boilled into because mexico wanted slavery