Why was Cortés worried when he heard about the arrival of another Spanish army from Cuba?

In 1511, Cortes joined Diego Velazquez on an expedition to Cuba. When Velazquez conquered Cuba, he became governor. Velazquez liked Cortes and helped Cortes to rise in the government. Soon Cortes became a powerful and wealthy figure on the island of Cuba.

Explanation:

answer; ///i do believe that the correct answer is (d); ///athens had a small population;

the effect of the ming leaders banning ships with more than two masts was that there was no further construction of ships masts, because there was a surplus. ming emperors disallowed foreign exploration