According to ncpedia.org, Perhaps the most significant technological advance during World War I was the improvement of the machine gun, a weapon originally developed by an American, Hiram Maxim. They also developed air-cooled machine guns for airplanes and improved those used on the ground, making them lighter and easier to move.
hope this helps you.
Answer:
<u>Montesquieu's</u> views and studies of governments led to him to believe that government corruption was probable if a system of government didn't include balance of powers. He conceived the idea of separating government authority into the three major branches: executive, legislative and judicial. This perspective significantly influenced the authors of the Constitution in establishing laws and division of duties, and also in the inclusion of provisions to preserve individual liberties.
<span>1. What were Michigan, Minnesota, Iowa, and Oregon part of during the civil war?
C. Confederate states
2. Which was not true about the border states?
B. There were fewer than six border states.
3. Which of the following statements is true in describing an advantage held by one side at the beginning of the civil war?
B. The north had numerous experienced military officers to lead its army
4. Which was not a strength of the south at the beginning of civil war?
B. Military colleges
5. What resulted in the single bloodiest day in American history at the battle of Antietam?
D. Confederate troops unexpectedly using guerilla tactics
6. What were the main elements of the Compromise of 1877?
A. Appointments of Samuel Tilden as vice president and Ulysses Grant as secretary of war
</span>
The answer is A. European leaders were concerned about instilling good hygiene practices.
They were afraid of large numbers of Jews coming in from (in the case of the St. Louis) Germany. 900 people is a lot of people but it would only be the tip of the iceberg if people were allowed to cross the Atlantic and go into the United States. There was a quota of how many people could come in and the US wanted to keep to the quota system.
The United States (at the time of the St. Louis sailing) was neutral, so they also didn't want to endanger that neutrality.