What is an example of a primary source a historian might use in a study of the negative effects of the Mongolian Empire on Europe?(1 point) Responses The Travels of Marco Polo, written by Marco Polo in 1300 CE The Travels of Marco Polo , written by Marco Polo in 1300 CE a textbook narrative about the tactics of Mongol leader Ögedei Khan a textbook narrative about the tactics of Mongol leader Ögedei Khan the eyewitness account of the destruction of Kiev by Giovanni da Pian del Carpine in 1246 the eyewitness account of the destruction of Kiev by Giovanni da Pian del Carpine in 1246 the 1630 painting The Battle of Legnica by Matthäus Merian the Elder
