A lot of them are that is why so much work is done there that used to be done in the more developed world.
90 % of workers in China are underpaid by western standards
Most doctors are not underpaid. There are many nurses are underpaid considering what all they have to do on a daily basis.
They can be exploited by being underpaid or being overworked.
Yes.
Workers Party of India was created in 1943.
the life cycle of vans is started by millions of underpaid chinese workers and sweat with minimal regulation to the factories
What is "underpaid"? Underpaid makes the assumption that a wage is forced upon the worker, not voluntarily agreed to. Some workers are paid low wages in China because they don't have very marketable job skills, and/or they live in an area that is highly underdeveloped and needs to accumulate more capital for the wages and living/working standards to go up.
Workers Revolutionary Party - India - was created in 1970.
The purpose of labor unions is to protect its members, workers, from being underpaid and overworked. Unions have fees and rules that apply to all members. http://answers.ask.com/society/other/what_is_the_purpose_of_a_union
Pretty much exactly the way they make them now, except that instead of robots they used underpaid workers for the simple, repetitive tasks.
Ya India does have the highest number of child workers in the world
The purpose of a labor union is to protect workers from being underpaid and overworked.