What was one consequence of the October Revolution?

Vladimir Lenin was exiled for his opposition to the government.
Russian citizens began to protest food and coal shortages.
Karl Marx created principles to establish classless societies.
The Bolsheviks ended Russia’s involvement in World War I.

the answer for 3 is b and the answer for 4 is d

there were abundant sources of fuel nearby

albuquerque's conquest of malacca ranks second in importance among his great. the trade of malacca with india is said by the portuguese chroniclers to have out of their hands, cairo and mecca will be entirely ruined, and to venice will no which had a great effect upon the minds of the chinese ministers