What did roger williams do as a result of his argument with church leaders in plymouth colony?

What is an example of a secondary source?

In what ways did president richard nixon send mixed messages regarding civil rights? a. he placed southerners on federal courts and increased busing. b. he supported segregation as well as affirmative action. c. he criticized school busing but initiated affirmative action. d. he increased school busing but vetoed affirmative action.

Which of these resulted in an actual slow down or limiting of the u.s. and soviet nuclear arsenals?