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Why do countries create guidelines and laws on how a country is going to be run?

What did the committees of correspondence do ? a) . all of these b). communicated c). contacted foreign government d). planned for actions the colonies took together

When did martin luther king, jr. deliver his famous "i have a dream" speech? a. during the montgomery bus boycott b. during the birmingham campaign c. during his acceptance of the nobel prize d. during the march on washington