Answer: The first one is modeling
The second one is diagramming
The third one is breaking problem into steps
Explanation:
The southern colonies (and the colonies in the Caribbeans) required slave labor and indentured servants to maintain plantations that grew valuable crops such as sugar canes and tobacco. Harvesting these crops were often labor intensive that many free workers were unwilling to do without high wages that plantation owners did not wish to pay. These crops could only be grown in the south (or the Caribbean) due to the soil and climate.
B.cotton from the south were carried on railroads to shippings ports to be exported
This is obviously 3, its like communism, communal control of wealth
