What governmental bodies most frequently lent assistance to the construction of canals? Select one: O A. Cities O B. Counties O C. States O D. The Federal government After the Second Bank of the United States was closed down, the U.S. monetary system was known as the Select one: O A. Federal Reserve Era O B. Anti-Bank Era O C. Free Banking System O D. Era of Good Feelings O E. The Laissez-Faire System