The correct answer is hispanics.
Many of the Dust Bowl refugees left the Midwest for Southern California and displaced Hispanic workers.
<span>the massive amounts of people over the age of 65 or older
</span>
Answer:
The trade route were very important to the Ghana empire because the Ghana Empire became rich and wealthy as a result of increased trans-Saharan trade. This trade involved mostly goods such as gold and salt.
It allowed for urbanization and also permitted territorial expansion to gain control over the different trade routes.
https://www.ducksters.com/history/aztec_empire/spanish_conquest.php
might be able to answer your quesrtion