What specific issues did labor leaders seek to improve for workers?

D. Working conditions

Explanation: the Labor unions came together to make workers have better working conditions, and better wages, because both of those were very bad.

i do not know if this question has options, but a main impact of the federal reserve act of 1913, which created the federal reserve bank, was the international use of the u.s. dollar, which soon became the world's leading currency - particularly during world war i, since many nations around the world asked the united states for money.

d. it gave farmers a way to organize for more political power