The United States has some experiences/conflicts that are seen on a consistent basis.
For example, the power of the federal government is one that has been seen throughout history. The development of the US Constitution saw Anti-federalists fighting against Federalists in terms of what rights/powers the federal government should have. Today, debates still arise over the issue of what powers the federal government has, especially when it comes to the issue of implied powers.
One success that we share with the Americans in the past is the desire for innovation. Throughout American history, developments in communication and transportation continue to positively influence American society. Even though this is different depending on the time period, the spirit of ingenuinity is something that is seen in all times of American history. This is especially true for the era of the Market Revolution (development of canals, railroads) and today (iPhones, Personal computers, etc.)
B, japan even though I may be wrong, "Arahitogami – the concept of a god who is a human being applied to the Emperor Shōwa (Emperor Hirohito as he was known in the Western World), until the end of World War II." (from google)
It was way to harsh on the Germans. It made them take full responsibility for the war and set up the stock market crash and brought the world into a depression. And pretty much was one of the may causes for world war 2
Abolitionists were among the first to raise their voices in protests against slavery. William Lloyd Garrison, Frederick Douglass, and Harriet Beecher Stowe devoted to the abolitionist movement and awakened the conscience of the American people to the evils of the enslaved people trade.