How does the rise of nationalism after the Napoleonic wars lead to WWI?

The rise and spread of nationalism gave people a new sense of identity and also led to an increased sense of competition among nation-states. After Napoleon was defeated (twice!) ... It was an extremely bloody competition that we now call World War I.

the committees of correspondence were the american colonies’ means for maintaining communication lines in the years before the revolutionary war. in 1764, boston formed the earliest committee of correspondence to encourage opposition to britain’s stiffening of customs enforcement and prohibition of american paper money. the following year, new york formed a similar committee to keep the other colonies notified of its actions in resisting the stamp act. in 1773, the virginia house of burgesses proposed that each colonial legislature appoint a committee for intercolonial correspondence. the exchanges that followed built solidarity during the turbulent times and bring about the formation of the first continental congress in 1774.

barack obama

44th president of the united states