Select all that apply. the earliest civilizations developed in the river valleys of: a. the nile river b. the yellow river c. the amazon river d. the tigris and euphrates rivers

europe churches founded monasteries and universities that studied philosophy and nature.

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one of the major compromises in the constitutional convention was between the small states and big states. the small states wanted each state to have the same number of representatives in congress. the big states wanted representation based on population.