Answer:
Geographical and environmental factors shaped the development of Native American societies, including their migration and settlement patterns throughout the United States. Some Native societies created innovations in agriculture, like irrigation, to help sustain permanent settlements.
Explanation:
13.45 (rounded to the nearest hundred)
The French and Indian war first(1754-1763), the American Revolution next, the Reign of Terror after that(1793-1794), and the Napoleonic Wars last(1803-1815).