Answer:
The answer to this is D machine gun.
Explanation:
The machine gun allowed soldiers to rapid-fire bullets at the enemy at a rate of 400 to 600 rounds per minute. This allowed defenders the ability to dominate the battlefield and cause the death of advancing enemy soldiers.
The answe to your question id B
Answer: state of nature / social contract
Explanation:
Theorists like Thomas Hobbes, John Locke, and Jean-Jacques Rousseau, developed different theories about the state of nature and the social contract, although their underlying ideas shared some similarities.
The state of nature refers to a real or hypothetical condition of humanity before any political association, and the social contract would be also either a real or hypothetical understanding about the rights and duties of the rulers and the ruled people.
