You should let your emotions out. Don't hold them in that only makes it worse... Losing someone you love is very hard and i'm glad you're still here... You should try to vent to someone you trust so you can let everything out. I hope you're okay and i hope you know you're loved.
Answer:
in chronological order its
-Mr.Jones oppresses the animals.
-The animals rebel against Mr.Jones.
-The pigs take over as leaders.
-The pigs oppress the animals