We were n the war so yea we were in the veitmam.
Lee Harvey Oswald
According to Wikipedia and History.com
Five government investigations concluded that Oswald shot and killed Kennedy from the sixth floor of the Texas School Book Depository
Sectionalism is the belief that a person's region was superior to other sections of the country. ... All of these issues led to sectionalism in the United States and pushed the country to the brink of war.