<span>It separated North and South Korea.</span>
Answer:
The machine gun, had been so refined that they changed the nature of warfare. Tanks and airplanes had a big impact on mechanized warfare, or warfare that relies on machines powered by gasoline and diesel engines.
Explanation:
Cherokee v,. Georgia determinded that they were a separate foreign entity and did not have to be moved.
President Jackson ignored Marshall's ruling and moved them anyway.