Which statements are true? select all that apply. president lyndon Johnson signed the civil rights act of 1964 into law.

the fifteenth amendment gave all male citizens the right to vote.

Martin Luther King Jr gave his "I have a dream" speech at the Lincoln memorial.

an ethic group is a group of people that share a common ancestry, nationality, or culture.

discrimination is treating people unequally because of prejudice or or partiality.