The Star-Spangled Banner is known by all, treasured for its powerful melody and stirring lyrics. And yet, only about 40% of U.S. citizens know all the words. And even fewer know their meaning. Join us as we travel back to 1814, when Washington D.C. was under British attack during the "Second War of Independence," and the very bricks and mortar of American democracy were reduced...$美国第二次独立战争,主要内容还是讲国旗国歌的由来,一股浓浓的爱国教育味,真正的历史还是需要从其他地方了解。$很轻松