This depends on your definition of "friendly". Although there was plenty of animosity in the years after the war, Americans and British maintained a fairly cordial relationship because it was in the best interest of both countries to trade with one another. However tensions over land disputes and the British taking American sailors eventually led to the War of 1812.
Hercules was not in the civil war
The immediate cause of World War I that made the aforementioned items come into play (alliances, imperialism, militarism, nationalism) was the assassination of Archduke Franz Ferdinand of Austria-Hungary. ... This assassination led to Austria-Hungary declaring war on Serbia.
This correct answer is "popular sovereignty."
This idea of letting territories vote on whether or not they wanted slavery was supposed to be helpful in solving the issue of slavery in the United States. However, this led to terrible violence and bloodshed, especially in Kansas. After Kansas voted to become a slave state, many anti-slavery individuals claimed the election was rigged due voters coming from Missouri to vote in the Kansas election. This resulted in fighting between the two. This period is now known as "Bleeding Kansas." This idea was one of many solutions that failed to solve the issue of slavery in America.
