No "Americans" arrived in North America. However, in 10 A.D. Vikings explored the fringes of North America. Also, Native Americans crossed over from Siberia into Alaska over a land bridge about 12,000 years ago. In 1501, Amerigo Vespucci officially discovered America but thought it was Asia so he did not dock. Then in 1592, Christopher Columbus found and docked in the Caribbean and was the first man to land on America.
A commercially successful steamboat :)
Promotion could have multiple meanings.
For example, if you say "Mr. Knight got promoted (or got a promotion) from supervisor to manager". There promotion means "raise".
If a product is at promotion there promotion means advertising efforts.
It could also refer to a way to support a cause. For example: There's a campaing supporting healthy lifestyle promotion.
Natural law is the higher order positive law which emerged from the philosophers of ancient age. Stoic reformers believed that law of nature is the supreme law which connects man and nature to live in harmony with each other.
Aristotle says that though man perceives things and frames laws to live an orderly life, the natural law is universal and a common law exists which is divine.
Natural rights are the rights which are believed to be inherited by birth of a man. These are natural birth rights and they are the base for the founding fathers to frame the US Constitution.
Answer:
A) Truman had to find a way to avoid losing the war is incorrect.
Explanation:
By the time the bombs were dropped, the USA was at little to no risk of losing the war. Japan's navy was in ruins, its empire crumbling, and the home island under attack.