How did trade routes and warfare affect civilizations between 500 and 1500 ce

Once the plague became airborne, how could it then be spread?

What is the supreme law of the land? the declaration of independence the federalist papers the articles of confederation the constitution

The directory was unsuccessful and was eventually replaced because no constitution had been created that outlined its authority. it was connected with the reign of terror. its members did not get along with napoleon. the national convention did not agree with the directory's decisions.