Answer:
Speciality is a pursuit, area of study, or skill to which someone has devoted much time and effort and in which they are expert
The correct answer is A. National Labor Relations Act.
The National Labor Relations Act, passed in 1935, is a federal law that gave private sector employees significant rights in the work place. These rights include the ability to join a union without penalty, the ability to collectively bargain with their employers over wages, and the opportunity to take collective action (like striking) against their employers if the conditions/wages are not up to par. This was history in the making, as laborers had been fighting for legal rights like this since the late 19th century.
According to enotes.com, North Korea, Belarus, and Cuba all have command economies currently.
The answer is (C).a method of labor management to improve overall efficiency