Was the army segregated before the tuskegee airmen were formed?

How does this cartoon represent an argument for the ratification of the constitution

Profits are maximized when marginal revenue and marginal costs are a. set c. equal b. less than market price d. greater than market price

President nixon resigned from office in 1974 after he was informed that the senate would impeach him, as allowed in the constitution, for his actions in the watergate scandal. one of the key reasons that nixon’s actions became public was a) the freedom of press guaranteed by the first amendment. b) the right to confront witnesses as guaranteed by the sixth amendment. c) the limitation of judicial powers as defined in article 3 of the constitution. d) the prohibition against illegal search and seizure as guaranteed by the fourth amendment.