Which country have helped bolsheviks gain and hold political control

Russia

Explanation:

Bolsheviks, also known in English as the Bolshevists, were a revolutionary party that came up to align with the ideas established by a German philosopher and economist known as Karl Marx. Bolsheviks were of the opinion that one day, the working classes would remove themselves from the political and economic stronghold of the ruling classes.  

Russia organized themselves into republics and that help the Bolsheviks gain and hold political control.

when   i did the assesment i chose c it was correct

"the gulf of tonkin resolution in 1967".

the gulf of tonkin resolution (officially called southeast asia resolution, public law 88-408) is a law issued by the congress of the united states of america on august 7, 1964, in which president lyndon b. johnson was authorized1 to act in a comprehensive manner against the democratic republic of vietnam, which he accused of aggressions against us ships in the gulf of tonkin, where the resolution takes its name. the gulf of tonkin resolution is of historical importance because it gave authorization to the us president. lyndon b. johnson, without a formal declaration of war by congress, to use military force in southeast asia.