What are some famous examples of rebellions causing significant change?

Alice Paul is an example of rebellion that caused significant change because she helped the 19th Amendment come about. She would protest in front of the White House and would be arrested for it. While she was incarcerated she went on a hunger strike and she was faced with cruel and unusual punishment for this (forced feeding). If she died from not eating, her death would be considered a martyr and was on the government's hands.

Explanation:

to act quickly in times of danger to the united states

because you have to act quickly if you want to live/survive.

the answer is a) high entry costs