The decline of the popularity of the silk road a. led to the end of the mongol empire b. encouraged exploration and the discovery of new trade routes c. meant economic ruin for chinese society, from which they have been unable to recover d. resulted in a decline in the power of the islamic empire

B.  encouraged exploration and the discovery of new trade routes

Explanation:

B

Explanation:

developed and developing countriescountries are divided into two major categories by the united nations, which are developed countries and developing countries. the classification of countries is based on the economic status such as gdp, gnp, per capita income, industrialization, the standard of living, etc. developed countries refers to the soverign state, whose economy has highly progressed and possesses great technological infrastructure, as compared to other nations.

a. it led to stricter immigration laws.