What ultimately led to the Watts riots? the arrest of an African American by a white police officer
the assassination of Malcolm X by three members of the Nation of Islam
the arrest of Rosa Parks for refusing to give up her seat
the passage of Executive Order 9981 50 points

the arrest of an African American by a white police officer

Explanation:

According to historical records, it is "the arrest of an African American by a white police officer" that ultimately led to the Watts riots.

This is evident in the fact that on August 11, 1965, an African-American motorist Marquette Frye, was pulled over and arrested by a white police officer, Lee W. Minikus, on California Highway based on being suspected of driving while drunk.

A

Explanation:

d is the answer. leo should include the source.