1. When the Governments owns the land of the farm and rents it to families, it's called : C. Collective farm.
In this method, the Government will received some sort of cut from the farm income
2. To put and end to soviet union : D. Soviet Republic declared independence
It ends the control of communist party and it ended in Soviet Union separated into several smaller nations
3. The reason China made transition to market economic : A. China could not compete economically with its neighbors
hope this helps