Using the map, label the countries by their numbers.

_China
_Cuba
_Germany
_Korea
_Soviet Union
_United States
_Vietnam

China: 5

Cuba: 2

Germany: 3

Korea: 7

Soviet Union: 4

United States: 1

Vietnam: 6

the 4th option is the answer

changes in factors like average income and preferences can cause an entire demand curve to shift right or left. this causes a higher or lower quantity to be demanded at a given price. demand curves relate the prices and quantities demanded assuming no other factors change. it is important for consumers to know this information, because it is crucial for them to know what they can afford and can't afford. i hope this .