People helped hide fugitive slaves along the Underground Railroad and wouldn't turn them over to slave catchers.
Answer: The Invention of the timer gear on fighter aircraft, the monoplane and more advanced aircraft such as fighter and bombers. the tank, the submarine, the machine gun, the dreadnought, the semi-auto rifle, chemical weapons, and the sub-machine gun. The tank, the submarine, the machine gun, semi-auto rifle, and the sub-machine gun are all still used today.
Explanation:
Answer: The answer would be: "all Seminoles left Florida for other states." Hope this helped!
<span>anthrax = biological
mustard gas = chemical
atomic bomb = nuclear</span>
