Which action was not used by some white southerners to deny justice to blacks?

a. they passed black codes.
b. they allowed hate groups such as the ku klux klan to terrorize blacks.
c. they refused to establish schools for blacks.
d. they allowed blacks to vote and hold political office.

this question really stumped me..

Thomas jefferson was the president of the united states. first second third fourth

Which statement would most likely be made by an opponent of affirmative actions

All of the following changes typically happened in colonies as a result of imperialism, except: a. cultural practices were outlawed. b. they became more economically self-sufficient. c. european nations built modern infrastructure, including railways. d. the european language became the language of government and education.