D. Livestock and herders. Though it has been proven it was mainly carried by rats that traveled in rice sacks from other places.
Must be ready to go to war or battle
While the Monroe Doctrine had sought to prevent European intervention, the Roosevelt Corollary was used to justify US intervention throughout the hemisphere. In 1934, President Franklin D. Roosevelt renounced interventionism and established his Good Neighbor policy for the Western Hemisphere.
Explanation:
because you have to know and sometimes when you are at school they can ask you about them
