Answer:
Back light ;-;
Explanation:
I int no engineer but this is will help
<span>His impact on the Industrial Revolution in America was the biggest of any single U.S. citizen. His trust of oil, and control of the railroads, and oil tank cars on the railroad allowed him immense power since the federal government instituted no regulation of business to allow competition to develop in the various industries totally or in-part controlled by Rockefeller. This ended of course when Theodore Roosevelt broke the industrial trusts early in the 20th century. Rockefeller did go on to institute many worthwhile charities and foundations that have and continue to benefit people around the world. Rockefeller had no peer when it came to making business decisions that only he would make with regular success that eventually made him the wealthiest person in United States history. Using today's wealth standards his personal fortune was well over 1/4 of a trillion (that's with a T) dollars.</span>
I think it might be A but I’m not sure.
It was a United States naval officer/ historian, also known to be a propagandist to expansion, named Alfred Thayer Mahan who wanted to expand the extent of capacity of the United States and its navy. He wrote “The Influence of Sea Power upon History”. It stated his idea that the countries with the biggest navies and greater sea power over others who could govern the world. With his principles, and knowing that US had at that time the elements of the capability to expand its greatness, he created strategies based on commerce trading and coastal defense to support the Manifest Destiny. Manifest Destiny states that it is the United States who was the ones who were destined to expand across North America.
