Answer:
A. The election of Barack Obama
Explanation:
Post racial era refers to the United States being free from racial discrimination, segregation and preference.
Barack Obama was elected President of the United State in 2008 and was regarded as the first black president of the county. This made people to conclude that the United States has truly reached its post racial era.
I believe 10 amendments were added to the constitution by 1791
Each of the four geographically divided colonies had their own specific economic activities, mostly influenced by the climate and natural resources of the area.
The Southern colonies had economy based around farming, by mostly producing corn, fruits, vegetables, cotton, tobacco. The Chesapeake economy was based mostly around the production of tobacco. The Mid-Atlantic colonies had economy based are farming grains and oats, though there was also nice income from logging and paper-making. The Northern colonies had economy based around fishing, whaling, as well as shipbuilding. All of the colonies had different development over time because of the differences in what where their economies based around, with some being more successful than others.
