ÔĶÁÀí½â The United States covers a large part of the North American continent. Its neighbors are Canada to the north and Mexico to the south. Although the United States is a big country, it is not the l ÌâÄ¿ºÍ²Î¿¼´ð°¸¡ª¡ªÇàÏĽÌÓý¾«Ó¢¼Ò½ÌÍø¡ª¡ª View
1774 to 1783 | The Thomas Jefferson Papers Timeline: 1743 to 1827 | Articles and Essays | Thomas Jefferson Papers, 1606-1827 | Digital Collections | Library of Congress View