WWI changed the face of warfare forever. Warfare became utterly impersonal with the invention of the tank, fighter airplane and automatic machine gun. The allied powers emerged victorious and powerful, both economically and militarily. The German Empire, on the other hand was utterly decimated, culturally, militarily, and economically. WWI lead to a halt in imperialistic policy and the formation of the League of Nations, the ineffective predecessor to the United Nations. The main end result of WWI was Adolf Hitler's rise to power and WWII.
Herbert Clark Hoover's early careers helped set him up for his future presidency because he gained useful experience that ended up playing a major role in his future job as the 31st president. During the Great Depression, he did his best to help rewire the United States into a more progressive era.
<span>Vitamin A, especially in developing countries. This leads in poor eye sight and immune troubles.</span>
The correct answer should be Kansas City and Lawrence. Kansas City was a place that imprisoned some of his men, including females, which is what made him extremely angry, while Lawrence was completely sacked when he attacked with his crew that was known for their lack of mercy, even including known criminals like Jesse James.
As it expanded it needed to change many things. Expanding required creating systems to add new states into the union, but even that required creating standards of deciding whether or not a state is ready to be admitted. In addition, it had to add them to the congress which automatically changed the electorate number due to the number of people that changed which was important for the house of representatives. There were so many things that had to change that it is impossible to answer them plainly here.