The reforms of the early 1900s were called “progressive” because
a they represented the work of a single person.
b they represented unpopular, unwanted changes.
c they represented a return to traditions of the past.
d they represented forward thinking about political changes.

in february 1787, congress decided that a convention should be convened to revise the articles of confederation, the nation’s first constitution. in may, 55 delegates came to philadelphia, and the constitutional convention began. debates erupted over representation in congress, over slavery, and over the new executive branch. the debates continued through four hot and muggy months. but eventually the delegates reached compromises, and on september 17, they produced the u.s. constitution, replacing the articles with the governing document that has functioned effectively for more than 200 years.

to act quickly in times of danger to the united states

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