Well,
The answer would be the number 3
why? because in the beginning when Ferdinand de Lesseps, a french engineer who built the swiss canal decided to create one in the isthmus of Panama due to its ideal location and width to save a lot of time and money on travels, they brought over from France workers and machines, used to create the swiss canal previously, but due to the clay soil and the tropical conditions they quickly broke, forcing workers to do most of the work manually.
Also, due to the heat and the still water, mosquitoes carrying different diseases like malaria and dengue, swarmed the area biting and infecting the workers, ultimately killing most.
Making them give up the whole project.
Answer:
The United States supported France in Vietnam because it did not want Vietnam to become a communist country.
The correct answer is B. Susan B. Anthony was an American social rights reformer and political activist, involved especially in the Women's Rights Movement. She also played a big role in the Women's Suffrage Movement.
Propaganda, they inspired more people to join the fight on America's side.
The Aztec Empire was a civilization located in western South America (The Andes) And the Spanish invaded the Aztecs and annexed them.