It brought economic and political dominance of the US.
For the United States, the post-World War II period was one of peace and prosperity. The Americans used the money they had saved during World War II to purchase consumer goods that were not available during the conflict. With the subsequent boom in the economy, thousands of people found jobs in the United States. The Americans were making more money and the nation had the highest standard of living in the world.
American society was also changing. The population of the United States has grown a lot due to the high birth rate: soldiers returning from the war have established families and had children. Medical advances have also raised life expectancy for Americans. A law imposed in 1965 allowed more Asians and Latin Americans to immigrate to the country.
"The act led to violent conflicts between settlers in the Great Plains over the issue of expanding slavery to new territories" is the one among the following choices given in the question that <span>best explains how the Kansas-Nebraska Act contributed to the tensions between the North and the South that led to the Civil War. The correct option is option "C".</span>
The sinking of the Lusitania shows that America was hesitant to enter World War I. The Lusitania was a British ship that had American soldiers on it. This ship was traveling to Ireland but was shot down by the German military. This use of unrestricted submarine warfare resulted in the deaths of thousands of individuals, including over 100 American citizens.
This event, that took place in May of 1915. Even though this causes outrage among citizens, the US does not formally declare war against Germany until they find out about the Zimmerman Telegram (in 1917). This shows that America tried to avoid entering World War I at all costs.
