The Cuba unified the issues during the Spanish American war in April 1898
Answer:
The Columbian Exchange
Explanation:
The Columbian Exchange was the exchange of a multitude of things between the New World and Old World and it included diseases, which is the main focus of the passage you have given. The Columbian Exchange and its spread of diseases specific to the Natives in the New World were detrimental to their populations.
<span>The programs initiated by the government in the 1930s were collectively called the New Deal, and helped to grow the U.S. economy out of the Great Depression.
</span>
<span>they were dangerous and could cause harm to both the target and user
</span>
