Deny suffrage to African Americans. i read an article about it a while back so the answer is C
Explanation:
If heat is released in a reaction, enthalpy Change in the reaction is negative, then it will be exothermic
I believe the answer is: Obsessive compulsive disorder
People with obsessive compulsive disorder would experience constant uncontrollable urges or obsession to achieve a certain things into smallest detail of perfection. So, it is very common for OCD patients to repeat the same behavior over and over again until they're truly satisfied.
Amendment 15, or known as the 15th Amendment.
I hope I helped! =D
Also, would you PLEASE pick my answer as the Brainliest, because I am trying to rank up to Expert.
Thank you! =D