What was the most important division concerning trade?

The claim of papal supremacy held that the pope had authority over all religions on earth. the pope was the chief authority over the papal states. the pope had authority over all kings and emperors. the pope was the head of the western christian church.

Clouds thar look like whisps of hair are

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