Today, some states have right-to-work laws, which
question 3 options:
establish a minimum wage.
prohibit discrimination against minorities in hiring practices.
prohibit closed shops and union shops.
ban unions.

prohibit closed shops and union shops.

Explanation:

Right-to-work laws are laws that make it possible for workers to work in unionized workplaces without joining the union or paying union dues. It also allows workers to cancel their union membership any time. Unionized workplaces have to become “open shops” which means union membership is optional. It is the opposite of the closed shop where membership was demanded.

the answer is

a) revise existing treaties

b) do away with political alliances

c) prevent the spread of communism

d) bring an end to european colonization

the main goal of the southeast asia treaty organization was to prevent the spread of communism in southeast asia.