One of the ways that nationalism affected Europe were the numerous uprising and riots of the local population that demanded more rights to speak their language and have power over their own affairs. For example, Poland had a number of uprisings that sought to achieve independence of the countries ruling its territory (Russia and Prussia): for example the Greater Poland uprising of 1848.
The attack on Pearl Harbor I believe
The Annapolis meeting created the <em>need for the Philadelphia Convention</em>. The delegates of a few states gathered to address the topic of trade among the states, which, at the same time, led to other important topics of the Confederation. This way, they considered a Constitution would have to be drafted in order to address many other relevant topics of the country, aside from commercial trade. The <em>United States Constitution was drafted at the Philadelphia Convention</em> in 1787.
