What allowed ancient Mediterranean civilizations to change to an economy based on monetary exchange?

Which factor has played the most important role in changing the way history is studied over time?

Imagine you are negotiating the details of the treaty of paris of 1783 at the end of the american revolution. write a journal entry describing what it was like to establish a new plan for goverment. be sure to provide a headline and date. use the key vocabulary words in your journal entry key words.. republicanism treaty of paris of 1783

The land bridge and coastal crossing theories concern the earliest human migration from