Answer: The fact that striking workers receive benefits and support
Explanation: Workers take a risk by going on strike against their employer since they depend on their jobs to live by. The American Federation of Labor would reassure benefits and support to the worker´s family while they strike seeking for their employers concessions.
Human capital is the skills and knowledge that a population has, with a higher higher human capital it means that the population of a country works harder and does better therefor increasing the GDP because they are more work driven.