The actual answer is the <em><u>corpus callosum</u></em> hope this helps :)
Jefferson: Louisiana Purchase , Lewis and Clark Expedition
Madison: War of 1812, British burn down the white house, Era of Good Feelings
-The US was growing as a well respected nation who was now fighting its own battles and experiencing major growth in dealing with expansion and government
Answer:
Economists can measure the performance of an economy by looking at gross domestic product (the market value of all goods and services produced by the economy in a given year.) In the United States, it is calculated by the Department of Commerce.
Explanation: