Η Αμερικανική Επανάσταση

http://www.slideboom.com/presentations/428716/%CE%97-%CE%B1%CE%BC%CE%B5%CF%81%CE%B9%CE%BA%CE%B1%CE%BD%CE%B9%CE%BA%CE%AE-%CE%B5%CF%80%CE%B1%CE%BD%CE%AC%CF%83%CF%84%CE%B1%CF%83%CE%B7