How many river valleys stemmed from the nile river ?

The approval of is the states was needed to ratify the constitution

Mississippi, florida, alabama, georgia, louisiana, and texas all seceded from the union. true or false ?

What was the main cause of the russian revolution? a. the protests against the war with poland b. the tremendous war losses of world war 1 c. the protests against the treaty of brest- litovsk d. the losses dictated by the treaty of versailles