Based on what you learned on how trade & markets became mechanisms for human survival, since the 18th century, due to the shift from the traditional economic system to the division of labor/specialization, manifesting into the modern market systems, the world has experienced tremendous improvement in living standards, albeit unequally across regions. Discuss two advantages and disadvantages of the modern market economy, how to fix the disadvantages, and why you think or do not think that a better system may evolve to replace the system in the 21st century.