Answer:
d) southeast and southwest
Step-by-step explanation:
The Sun Belt is a region of the United States generally considered to stretch across the Southeast and Southwest.The advent of air conditioning created more comfortable summer conditions and allowed more manufacturing and industry to locate in the sunbelt. The Sun Belt comprises the southern tier of the United States, including the states of Alabama, Arizona, Florida, Georgia, Louisiana, Mississippi, New Mexico, South Carolina, Texas, roughly two-thirds of California (up to Greater Sacramento), and parts of North Carolina, Nevada, and Utah.