A psychologist is an expert or specialist in psychology. Psychology is the study of the human mind and its functions.
Answer: As cold war tensions mounted, the US became gripped by a Red Scare. Many feared that communists were infiltrating the country, attempting to destroy the American way of life.
Answer:
Hernando De Soto was attracted to the Mississippi river because he played an important role in Francisco Pizarro's conquest of the Inca Empire in Peru, but is best known for leading the first European expedition deep into the territory of the modern-day United States through Florida, Georgia, Alabama, Mississippi, and most likely Arkansas.