Nationalism was a huge cause of World War 1. Nationalism meant that a country was very proud and wanted to be the best which leads to greed, false hopes, and aggression. Militarism was also a big part because countries were part of an arms race to have the biggest and strongest navy and military.
For example, Great Britain had the biggest and most powerful navy but Germany had the intention to build a bigger navy which Great Britain felt very threatened by. This all built tensions between countries and helped spark World War 1.
I would recommend Battle Cry of Freedom by James McPherson
Answer:
Learning about how the world became the way it is today is good knowledge to keep in mind. Also, taking the AP World History course can also get you some college credits, which is pretty nice in my opinion.
The Declaratory Act proclaimed that Parliament "had hath, and of right ought to have, full power and authority to make laws and statutes of sufficient force and validity to bind the colonies and people of America ... in all cases whatsoever". The phrasing of the act was intentionally unambiguous.
