What was the importance of the Gulf of Tonkin Resolution?

The Gulf of Tonkin Resolution authorized President Lyndon Johnson to “take all necessary measures to repel any armed attack against the forces of the United States and to prevent further aggression” by the communist government of North Vietnam

Explanation:

nativists tried to get rid of the immigrants as they thought they were going to ruin the u.s.  

the answer is d. party organizers, volunteers, voters and elected officials.