Despite the fall of Rome the Byzantine empire continued to stay strong because Justinian established a code of laws called Justinian's Code.
Your answer would be The two countries are strong trading partners.
The United States and South Korea have a very strong relationship between each other, since they both don't like North Korea. The United States is allied with South Korea. Because of the strong bond between them, they must be good trading partners, they can always go to each other for trading purposes due to their close relationship.
She was fearless, and crazier than him. she was his queen... and god help anyone who dared to disrespect his queen
Your is answer is B. A belief that American settlers had to expand their civilization across North America