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:
Here's something I found on the internet, hope it answers the question.
Law enforcement is the group of people tasked with the prevention of crime and apprehension of offenders. As part of law enforcement, police officers have four major responsibilities: enforcing laws, preventing crimes, responding to emergencies, and providing support services.
All of them are correct except the first one
The correct answer in the first question is letter e. It is
because during the mid-nineteenth century, the plain Indians were considered to
have the most widespread in the West in which made letter E as the correct
answer.
The correct answer in the second question is Yurok as they
are not included or part of the plains Indians. Yurok are considered to be the
downriver people that has a neighboring language. They are not Indians but
rather they are native Americans living in the northwestern of the California. The correct answer is letter A.
