If the national debt continues its trend of the past decade, people will be most likely to see an increase in their tax rates. In order to compensate for the cost of the rising national debt, the government will likely be forced to raise federal income and sales tax in order to generate the needed additional revenue.
The murder of Archduke Franz Ferdinand outraged Austria-Hungary. ... Austria-Hungary was furious and, with Germany's support, declared war on Serbia on July 28. Within days, Germany declared war on Russia—Serbia's ally—and invaded France via Belgium, which then caused Britain to declare war on Germany.