Why did slavery spread in the south

Which phrase best described sir isaac newton's contributions to modern science and therefore to the industrial revolution?

Why was hawaii so important to the united states & why did japan bomb pearl harbor?

Why did siddhartha gautama leave home at age 30? a. to find answers to his questions about human life b. to establish a religion that was better than hinduism c. to those who felt pain and suffering in life d. to spread his new religious ideas to other people