B Due to the fact that they didn't weigh there decisions and picking there lover
I think "that" is the adjective clause because you can remove it without ruining the sentence.
One of the many persuasive messages of President Mandela's speech :
“I learned that courage was not the absence of fear, but the triumph over it . The brave man is not he who does not feel afraid, but he who conquers that fear.” He then continued " if you’re afraid; it’s normal, you’re still a brave person. What you need to do next is to conquer that fear by taking action." He attempt to convince people by his technique of persuasion. By anticipating an audience’s questions, He confront the question in their mind. And he answer their question. This connects with people because it builds trust, people see that He understand their view, and makes new space in their mind for his message.
The answer to this is reins, it is reins because this is all filler for you to allow me to put down this answer, its reins.