Q.3. What is a political party? And how can it benefit the people?

A political party is an organized group of people who have the same ideology or same political positions. And in an attempt to get them elected and thereby implement their agenda.

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

d) post-world war i