Answer: C
Explanation: Whites didn't need slaves in the North becomes soil was usually hard and cold, thus making slavery pointless and ineffective. On the other hand, the South was almost dependent on slaves for it made a huge portion of the South's economy, which made slavery and plantations highly beneficial.
Answer: He created numerous programs to provide relief to the unemployed and farmers while seeking economic recovery with the National Recovery Administration and other programs. He also instituted major regulatory reforms related to finance, communications, and labor, and presided over the end of Prohibition.
Explanation:
Answer: Optic nerves.
Explanation:
Nerves are responsible for carrying electrical signals throughout the body and towards the brain. They are predominantly used for communication between body parts.
The retina is responsible for triggering these nerve impulses.
The pupil is a hole in the iris. Its main function is to allow light into the eye.
The iris controls the size of the pupil in order to maintain the correct amount of light entering the eye.
The correct answer is optic nerve.
Price changes send contrasting messages to consumers and producers about whether to enter or leave a market. Rising prices give a signal to consumers to reduce demand or withdraw from a market completely, and they give a signal to potential producers to enter a market.