Bulgaria, Czechoslovakia, Poland, and Romania
Answer:
For those in the industrial sector, organized labor unions fought for better wages, reasonable hours and safer working conditions. The labor movement led efforts to stop child labor, give health benefits and provide aid to workers who were injured or retired.
Inspired ideals of life liberty and the pursuit of happiness as well as separation of powers. John Locke and Baron de Montesquieu
Free trade is not a natural right. It is proven by a counter example: China is a planned economy and does not have free trade. So it is not a natural right.