What subordinating would best begin the following sentence?

through negative experiences we learn many things its sort of like karma if u do something bad to someone and u get a consequence u dont like the next time u wont do it again and as for positive ur not really learning anything and another example for negativity people didnt want barrack obama as president because they thought he was the worst and he was taking but now we have donald trump   and hes   is not anyone and shut down the government over sum petty stuff unlike barrack obama who shut down the government because they did not want to give health care to the community and now these people who want him out want him in now

rudy is the nazi ideal, unfortunately for the nazis his ideal comes in the form of jesse the complete opposite of those who embrace the idea of white supremacy. over the course of the novel, rudy learns that he wants nothing to do with the hitler youth, and because of this his parents are forced to make a bargain; rudy's father is forced into the military, so that his son can remain home.   both liesel and hans influence that young man that rudy becomes. following han's example, rudy puts aside his own hunger to risk his life so that the jewish prisoners might have bread to eat.

its a hard situation i cant really answer because the essay is for you to write.