Which four organizations opposed the use of violence in the struggle for African-American civil rights?

lincoln declared that slavery should not be allowed to spread into the new states, and of course this angered the south at the time.

the answer to your question is a. the salt plains

in 1811, he led an expedition, known as the george c. sibley expedition, to improve relations with the pawnee and kansa tribes, and also to locate the rumored jefferson's salt mountain

true

explanation:

explanation:

an oligopoly is a term used to clarify the structure of a particular market, industry, or organization. a market is considered oligopolistic or amazingly focused when it is shared between a few companies.