Under confucianism it was possible for a person born into a lower class to rise to a higher class

During the 1980s, profit from the sale of weapons to iran was used to stop the communists in costa rica. start a proxy war in el salvador. support the contras in nicaragua. stage a coup d’état in guatemala.

What advantages did the ming dynasty gain from the land it controlled?

What man proposed a solution to the issue of slavery in the territories suggesting the idea of popular sovereignty