Definitely bandwagon, loaded words and all the others. I would also say testimonial
Answer:
We need a whole story or a passage or paragraph to figure that out
Explanation:
Sorry
The answer is the second option: a significant historical event
Take key points and use them in the new speech. Make it short and sweet. Also don't use "big" words. Use words kids can/will understand, or be prepared to define them, explain them, and give an example.