Answer:
In Russia, efforts to build communism began after Tsar Nicholas II lost his power during the February Revolution, which started in 1917, and ended with the dissolution of the USSR in 1991.
D. Increased migration to the United States
Answer:
Native Americans did not want to change their culture, and they did not want to give up
their land.
Explanation:
I mean, would you? some one from another country kicked you out of your home and said " hahahaaha this is mine now go out west where you have no clue how to live! hahahaha"
Answer:
63a+54b
Explanation:
9×7a = 63a then you multiply 9×6b=54b after you get your answers you put the equation together it will be 63a+54b