New scientific knowledge helped the building of the Panama Canal, as fewer workers got sick from malaria and yellow fever.
The discovery that yellow fever was transmitted by mosquitoes was made in 1891, but most sanitary officials didn't know or didn't give relevance to it.
However, captain William Gorgas did know about this and successfully helped to eradicate yellow fever and malaria in the Canal Zone, despite the opposition from U.S. officials who wanted to discredit his work.
President Theodore Roosevelt supported Gorgas and the Panama Canal was completed by 1914.
Taking into account the statement above
"The author of this selection describes many of Tom Brown's
skills in reading footprints. The most difficult claim to believe
is that Tom Brown can —"
The answer is that Tom Brown can allowed the military to move people and supplies further.
The first and foremost purpose of Roman roads was military. This allowed that rlthe roman soldiers and their supplies to move faster and further to areas of conflict.
Answer:
well, i personally think that it should be illegal but to answer the question you should put in your opinion. :)
Explanation:
Answer:
sets term limits for the elected President of the United States
Explanation: