The word "Isolated" in this context means "Separate from others." This is evident in the fact that the United States believed that due to the great distance across the Atlantic Ocean between the American continent and other continents such as Europe, Asia, and Africa, then they are separated from others.
Hence, in this case, the correct answer to the question is "Separate from others."
Cultural changes was one of the ways the Roman Empire changed over time. Culture changes included religious views. Christianity was introduced which went from prosecuting Christians to making it an official religion.
It is an all hazard plan that describes processes the federal government initiates in order to coordinate efforts from various departments to save lives, protect properties and environment while at the same time meeting the basic human needs during an emergency, local or national hazard.
