The US forces passing the 38th parallel would be your answer.
He was just cloning around.
This is in fact not true, federal spending on defense in the late 1900s specifically the 1990s was in a decline from previous years when spending on the Cold War was very high. However, in the early 2000s defense spending increased dramatically with the introduction of the War on Terror and also the wars in Iraq and Afghanistan.
Answer: The settlers captured American Indians to use as enslaved labor.
