What was the goal of the START l Treaty?

i believe the answer is c

populist movement, in u.s. history, politically oriented coalition of agrarian reformers in the middle west and south that advocated a wide range of economic and political legislation in the late 19th century. thus in 1892 their leaders organized the populist, or people's, party, and the farmers' alliances melted away.

i think it is the first one hope this

a. all people should come together to heal the nation.