A) Those who will not work, could not eat.
The Columbian Exchange is marked by the exchange of plant and animal life between the Old and New Worlds. The exchanges<span> of plants, animals, diseases and technology transformed European and Native American ways of life.</span>
Economics
The treasure fleet voyages cost Ming China vast amounts of
money and brought nil returns since they were not trade excursions but only
brought back exotic novelties. As a result, the government recovered little of
the cost. Moreover, China was self-sufficient and did not need anything from
the Indian Ocean countries
