During the middle ages, which leadership structures held power?

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Explanation:

Instead, the Catholic Church became the most powerful institution of the medieval period. kings, queens and other leaders derived much of their power from their alliances with and protection of the Church.

i discarded the supernatant and kept the pellet in this part of the experiment because you have to return all unused chemicals into their original containers at the end of each labratory.

explanation:

worcester v. georgia, legal case in which the u.s. supreme court on march 3, 1832, held (5–1) that the states did not have the right to impose regulations on native american land. andrew jackson refused to enforce the ruling, the decision form the basis for most subsequent indian law in the united states.