1. malaria 2. rivers had terrible waterfalls..too dangerous...until the steam engine was invented it was incredibly dangerous 3. deserts....they didn't know how to travel through the deserts and find an oasis which made it very difficult to travel through
<span>Theodore Roosevelt was the 26th U.S. President and lived during the 1800s. He was an author, a soldier and a leader. He saw the world around him based on the many things he learned during his life.</span>
Answer:
North Vietnam attacked a US warship
Explanation:
