I'm sure it's not a run-on sentence and it's not a subject/verb agreement so its Either comma splice or sentence fragmant. I think its comma splice
Answer:
1:B
2:B
3:B
I am not able to answer your all question.
I would say (You will never be happy if you continue to search for what happiness consists of. You will never live if you are looking for the meaning of life) Have a nice day Hope this helps !!!!
He did end slavery.and gave the slaves there freedom
