Doctor William A. Gorgas was able to protect the lives of those working on the Panama Canal because he acted on the discovery that ___________ transmitted yellow fever and malaria
Fill in the blank(s) with correct word
mosquitoes
You might also like to view...
What promise did President George H. W. Bush make during the 1988 campaign?
a. not to raise taxes b. to end the Cold War c. to end poverty in America d. to strengthen affirmative action
In New England? and the Middle Colonies
A) ?the number of slaves imported depended on the Atlantic labor market. B) ?slaves constituted a large percentage of the population in a few urban centers. C) urban slaves worked in wharves, shipyards, or ships.? D) ?most urban slaves did not marry or have children. E) ?All of these are correct.
As trade and commercial interaction increased between Europe, Africa, and South and East Asia, who displaced the Portuguese as the main European player in Indian Ocean commerce?
a. English. b. Dutch. c. Spanish. d. French. e. Russians.
For each historical identification question, define the term and briefly describe its historical significance. caliph
What will be an ideal response?