Answer: I believe it would be Sonar technology confirmed that the crust was moving
Explanation:
by faster trade, hope that helped.
B because trust me hahaha
The Sunbelt is roughly the southern part of the United States, consisting of 17 states, from Alabama to Utah. Most people found the climate there more agreeable and many industries were established there like aerospace, oil and defense, and the people followed the industries.
Question: Many people migrated to the Sunbelt to
Answer: B. work in the defense, aerospace, electronics, and petrochemical industries.
Because if the answer is primary, it means it was written by a person living in that time period. Basically, it makes it more credible because that author was living during the time period so knows it without it being distorted or changed.
