3. Why was the Louisiana Purchase considered an accident?

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

56: 58 the assembly line was a system through which items were mass-produced in a flow.

In general which explains why communist revolutions did not happen