The initial cause of the Watts Riots in 1965 was
O the burning of a business in Los Angeles.
o the arrival of the National Guard.
O the arrest of an African American by white police officers.
the passage of civil rights legislation.

the arrest of an african american by police

Explanation:

The arrest of Marquette frye who was on parole for robbery after he got pulled over for reckless driving on August 11

the monroe doctrine is the best known u.s. policy toward the western hemisphere. buried in a routine annual message delivered to congress by president james monroe in december 1823, the doctrine warns european nations that the united states would not tolerate further colonization or puppet monarchs.