Answer: the correct answer is they can fail if a speaker's memory fail
Explanation:
Often times, students that have to give a speech become nervous and have a bad performance since memory might fail. This is the case of Daniel.
Yes an amendment can be proposed
I think the best word for it is "junta".
This word comes from Spanish for juntar (bring together). In English, it is used to mean a military group of people ruling a country as a dictatorship.