Which situation best illustrates the concept of scarcity? a class designing and selling calendars a cook learning to be an executive chef a friend buying a copy of a popular dvd a person buying a used car due to limited income

Examine the causes, course, and consequences of united states westward expansion and its growing diplomatic assertiveness (war of 1812, convention of 1818, adams-onis treaty, missouri compromise, monroe doctrine, trail of tears, texas annexation, manifest destiny, oregon territory, mexican american war/mexican cession, california gold rush, compromise of 1850, kansas nebraska act, gadsden purchase).