Missiles. Soviets developed ICBM could reach U.S. and carried nuclear weapons, space, CIA used U-2 aircraft that flew so high they couldn't be shot down but was shot down in 1960.
The southerners favored slavery but Lincoln was against it.
Answer:
Explanation:
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.
Disease was the reason for the death of native Americans
