A). They were considered property and had no rights
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.
I assume you mean what challenges after they gained independence. They had many internal conflicts. This included fighting about religion. There were also natural disasters. There was the problem of transitioning directly from a dictatorship to a democracy.
They have a command economy because the government regulates each aspect of the economy.