What geographic features helped people grow food

What is walt whitman's poem "when i heard the learn'd astronomer about?

Which statement from the declaration of independece best reflects the enlightment ideas of popular sovereignty

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