C. tsunami
because the rock underneath the surface of the ocean are caused by an earthquake, which creates a pull and vibrations of waves which cause a tsunami.
The dust bowl was a result of a severe drought, the great depression was also in that time frame.
Aztecs were a Mesoamerican Indian culture that was devastated by Cortez and the Spanish in the 1520s.
Answer:
To not spreed diseases
Explanation:
Native Americans were also vulnerable during the colonial era because they had never been exposed to European diseases, like smallpox, so they didn’t have any immunity to the disease, as some Europeans did.
