A. The railroad linked these cities to the rest of the country.
After the revolutionary war, most states, especially those in the south, developed new slave codes. after the 1830s these laws became increasingly stringent, due to the tensions produced by the Nat Turner Rebellion in southampton county, VA., and the rise of the abolitionist movement in the north. hope this helps
The correct answer is "B".
An arid region is characterized by having a severe lack of water. This cause an inability of the soil to make it possible for the plants to grow and subsequently animal life to exist. An Environment which is subject to arid climates is often known as a dessert. Most of these regions are located along the equatorial line.
The correct answer is: "a supply curve"
The supply curve is a function that represents different combinations of prices and quantities. Those quantities, are the amounts that producers of a certain good or service are willing to manufacture and/or sell at each price level.
It is an upward-sloping function as, according to the law of supply, the higher the market price, the larger the number of units that producers are willing to supply in the market.
