I think that #3 would be a strong thesis since it introduces the topic of voting and the Civil Rights Movement.
Answer: sheesh
Explanation: this is a lot to read wow sheeshhhhh
1) The Last option
2) The last option
3) The second option
4)The first option
5)The second option
6)Effects
7)Than
8)There's
9)Complete Sentence
10)Complete Sentence
11)Complete Sentence
12)The first option
Hope this helps!