Alliteration is the correct answer
Political map
Political maps are designed to show governmental boundaries of countries, states, and counties, the location of major cities, and they usually include significant bodies of water.
New York, New Jersey and Pennsylvania are states in the Highland region.
Answer:
Isolationism has been a recurrent theme in U.S. history. The term is most often applied to the political atmosphere in the U.S. in the 1930s. The policy or doctrine of isolating one's country from the affairs of other nations by declining to enter into alliances, foreign economic commitments, international agreements, etc., seeking to devote the entire efforts of one's country to its own advancement and remain at peace by avoiding foreign entanglements and responsibilities.
Roman concrete is very similar to what we use today. It was used to build structures and many buildings. It was revolutionary at the time as not many things were made of something such a concrete. The Romans proved to be much more advanced than other people and a leader in the world at the time.