Answer:A presidential democracy
Explanation: that's exactly how the United States is. The president isn't a dictator so they have to make decisions based on what the country needs and what the people want.
The answer to this question is tension
Weapons in WW1 were being mass produced and of a greater quality than those of wars before. Barbed wire, airplanes, poisonous gas, submarines etc were introduced which revolutionized war today. Trench warfare was countered and is no longer used to fight.
C. 23 hrs 56 mins and 4 sec
