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 American West was indeed a land of great opportunity from 1865 to 1900 in the sense that there was an abundance of land and resources available to all those willing to go west.
The main character of "Unbroken" was once a very competitive Olympian athlete, so giving up in any situation did not come easily to him. Ever since he was young he strived to push himself to physical and mental limits.
If you meant could then the next one in line would be the speaker of the house.