Answer:
stability
Explanation:
when they lost it it became a big fall down even over 2 million died
C and d have to do with the upper classes and how they (mostly) utilized labor. Populists were more concerned with how to make things work for them (a bit cynical on my part).
The progressives (particularly women and labor leaders) were very concerned about working conditions and how to improve them.
B<<<< answer
He gave stirring speeches
He used non violent resistance to attract attention