Which statement best describes the bolshevik revolution? a) it was begun by joseph stalin. b) it began a civil war in russia. c) it toppled tsar alexander ii from power. d) it prevented russia from exiting world war i.

B.

Explanation:

Because if you think about it Lenin kicked the tsar out of power to make russia into the soviet union. This was caused by protests

the median of the data is 4.

step-by-step explanation:

the median means the middle number of a given number.

to decide which one is the median, arrange in ascending or descending order. but sometimes, you may find two(2) number in the middle, but it's easy, just add them together and divide by 2.

so,   determine the median of the data. 2, 3, 3, 4, 5, 7, 9

it is already arranged, count 3 times forward and 3 backward and the one left is your answer.

2,3,3,4,5,7,9

our answer is 4.

hope this !

the answer is b, encourage free trade