The division of labor among workers or countries primarily enables specialization.
Specialization allows individuals or countries to focus on producing specific goods or services more efficiently, which can lead to increased productivity and economic growth. This, in turn, can enhance consumption, as specialized production can lead to a greater variety of products being available. Additionally, specialization can facilitate free trade and contribute to globalization, as different countries or workers can exchange their specialized outputs.
So, while all the options you provided can be interconnected in various ways, the most direct answer is specialization.