Answer:
The Constitution does not mention political parties, yet they play an important role in U.S. government. They began to emerge with disputes over the ratification of the Constitution, becoming known as the Federalists and the Anti-Federalists.
Explanation: copy and paste that
Ans: Nationalism lead people to conflict. Archduke Franz Ferdinand was assassinated due nationalism by the Black Hand, a nationalist group that intended to liberate the Serbs from the Austro-Hungarian occupation. The death of Franz Ferdinand was one of the most important factos to cause the World War I.
One can be <span>Spurius Tadius</span>
Some limitations when determining the cause of an event are that other sources that are linked to the event in the same time can usually say things different; It is especially difficult if there is no solid base to the cause and no photographic or written evidence.