Una infografia del 1897 per explicar la guerra civil del USA <a href="http://www.bigmapblog.com/2012/chart-of-the-history-of-the-civil-war-1897/">http://www.bigmapblog.com/2012/chart-of-the-history-of-the-civil-war-1897/</a><br>
<br>Raf<br>