Witch theme formed the basis of the chicano mural movement

The chicano movement began in the 1960s in Mexican- American  barrios throughout the west. Artists began using the wall of city buildings, projects, school, and churches to depict Mexican  american culture.

Explanation:

a stronger central government  

its what they are

civil disobedience, refusal to obey the demands or commands of a government or occupying power, without resorting to violence or active measures of opposition