How does the U. S. government ensure stability in the market economy? • It encourages the creation of monopolies.
• It purchases companies in other countries.
• It controls interest rates.
• It keeps states from collecting taxes.

Which source would best a historian understand the effect of the great chicago fire on families? a. a biography of a chicago family displaced by the fire b. a letter from a grandmother in new york to her family in chicago c. a newspaper editorial about families who were displaced d. an oral history dictated by an adolescent who fled the fire