Picture on the page:
farm2.static.flickr.com/1089/5129607997_660a65a1fc.jpg
farm2.static.flickr.com/1089/5129607997_660a65a1fc.jpg
this is the american history page picture:
thumbs.dreamstime.com/z/american-history-d-words-usa-map-learning-united-states-educait-to-illustrate-heritage-nation-46325905.jpg
thumbs.dreamstime.com/z/american-history-d-words-usa-map-learning-united-states-educait-to-illustrate-heritage-nation-46325905.jpg
this is the colony of pensilvania picture:
www.historical-us-maps.com/images/original-13-states-02large.jpg
www.historical-us-maps.com/images/original-13-states-02large.jpg
this is the american revolution picture:
i.ytimg.com/vi/3EiSymRrKI4/maxresdefault.jpg
i.ytimg.com/vi/3EiSymRrKI4/maxresdefault.jpg