The roosevelt corollary a) was an extension of the teller amendment. b) sanctioned u. s. intervention in latin american affairs. c) hampered u. s. debt collection from latin american nations. eliminate d) prohibited european investment in the economies of latin america.

the answer is b , i just did this question

the labor movement in the united states grew out of the need to protect the common interest of workers

for those in the industrial sector organized labor unions fought for better wages reasonable hours and safer working conditions

  in the 19th century trade unionism was mainly a movement of skilled workers.

hope this

i would say your answer is a)

sorry if im wrong