That would be Europe, the Indies and North America. So the answer A
It can be argued that US involvement in European politics could have prevented another world war. Support for the League of Nations could have stabilized the region. The US government did not support the League of Nations and without the US supporting it quickly crumbled. So because of American absence in the continent due to isolationist policy, it can be argued that World War 2 was destined to happen because of the unfair Treaty of Versailles
<span> he conquered the Medes and unified the two seperate iranian kingdoms</span>
Thomas Edison's invention of the light bulb changed American life tremendously. Thomas Edison was known for inventing what is called the light bulb, and that made a huge impact to have Americans live on a daily basis. Americans had a hard time seeing things in the dark, which caused a lot of complications when it comes to completing tasks or just going through and out buildings. Because of this invention, Americans could easily see things when inside a house, building, and when it's night time. The light bulb gave light so people can do tasks without having to do them in the dark. Without the light bulb, it would be very complicated to do things in the dark, and people would have a hard time going through the night or dark places.