Will mark brainliest What was collectivization?

a
The Chineses economic plan to modernize agriculture.
b
The famine caused by the government in the Ukraine
c
The Nazi policy for the murder of Jews in German lands
d
The Soviet policy of taking over privately-owned farms

Ineed with number 17 i don’t get it at alll

Sariah enters a room with several chirping crickets in it. upon first entering the room, sariah can hear the chirping; however, as she begins to talk to her friends, she is no longer aware of the chirping even though it is still there. the fact that sariah no longer perceives the chirping sound demonstrates sensory

What is the difference between the idea of stare decisis and something being constitutional?