Which states are the slaves NOT freed in? Why?

cuban communists pressured the soviet union to place missiles in cuba.

on november 6 and 7, 1917 (or october 24 and 25 on the julian calendar, which is why the event is often referred to as the october revolution), leftist revolutionaries led by bolshevik party leader vladimir lenin launched a nearly bloodless coup d'état against the duma's provisional government.

it made them more prductive and efficent but with the change of polcies less and les got into the navy