Answer:
It's important to warn travelers about yellow fever so they could be prepared, and know what to do when it happens or to just have caution.
Explanation:
Hope this helps
Hello,
On April 21, 1898, the United States declared war against Spain. ... The reasons for war were many, but there were two immediate ones: America's support the ongoing struggle by Cubans and Filipinos against Spanish rule, and the mysterious explosion of the battleship U.S.S. Maine in Havana Harbor.
Hope this helps!!!! :)
<span>http://teachingresources.atlas.illinois.edu/chinatrade/introduction04.html</span>
