Many people in the United States spend most of their free time watching television.。()

For many people in the United States who are concerned about the cost of heating homes and

People from many countries were drawn to the United States by the growing cities and indus

In the next 40 years the percentage of people in the United States over the age of

People in the United States in the nineteenth century were haunted by the prospect that un

Both the number and the percentage of people in the United States involved in nonagricultu

Who takes care of the elderly in the United States today? Many people wrongly believe that when peop