Por qué razón existen fronteras y muros en el mundo?

Study the graph and then complete the analysis of the data by filling in the missing information.

An italian trader bought merchandise in china and now wants to return home with it. however, he doesn’t want to return via the silk road. choose all the spots on the route he can take to reach italy.

What were the shared risks of the signers of the declaration of independence were taking impending their names to the document?