What encouraged Chinese immigration to the US?

Why did leaders such as siddhartha gautama abandon hinduism to createbuddhism around 500 bce:

What does the second video tell you about life in the united states compared to life in russia?

Where did people have to work with great organization to be successful at farming? a. on the yellow river basin c. on the hangzhou bay b. on the yangzi river basin d. on the hubei basin