Both because you need both farm and and transportation
D, because it's a full sentence.
It was the abolition of serfdom and the establishment of a constitutional monarchy. Those involve in the revolt were also against the crowning of Nicholas I and this later led to a confrontation between the rebels and loyal troops. The revolt was suppressed and many were arrested. Though it failed it helped start the movements for revolution in Russia.
I belive it is a plz tell me if I'm right
