Why did Europeans exploration of the Western Hemisphere accelerate in the late 15th century?

How have the changes in china's laws affected its economy?

How does cultural diffusion affect civilization

In the years after world war ii, which of the following caused many people from asian and african countries to migrate to europe? a. the end of the soviet union b. new economic opportunities after colonialism ended c. the religious freedom found in europe d. new laws allowing greater numbers of immigrants into european countries