The main reason was that so they get to have the land.
The Confederation System.
The Confederation System had a loose relationship with other political units or the states that existed within the country at the moment, such as federal governments.
Hope this helps!
Though initially opposed to imperialism, the U.S.’s economy
was overproducing due to industrialization where there surpluses to their
products. Apart from that, they were searching
for other sources of raw materials that they needed for production. Another reason for the change was that some
thought that by entering into imperialism, they were continuing America’s
vision of Manifest Destiny. The Spanish-American
War gave them that opportunity where they acquired Guam, the Philippines and
Puerto Rico from the Spaniards.
Hitler needed a way to blame all of Germany's problems on something, by doing this he could alienate the Jews and justify his hatred towards them
Both Leaders challenged the European Union.
And they both studied chemistry at universities.
Please correct me if I'm wrong!! :)