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:
China's History would be most likely different without the silk road because the silk road is china's most oldest trading route. Also if it has never been made, we will hardly have the lovely, fine piece of fabric, Silk.
Yes, becuase if it was taken during that time of period it is a primary source
Answer:
Because the president could hire judges that are biased in favor of him/her
Explanation: