How does sinclair's way of writing boost his credibility?

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

Persons or group opposing or hostile to another person or group the definition word is

What was reagan’s first priority after he won the presidential election of 1980? a.to increase government funding for social programs b.to pass the equal rights amendment c.to appoint a female to the supreme court d.to get the economy back on track