The use of social media helped protestors communicate during the Arab Spring - this series of protests and coups in the Arabic countries was made much easier with the help of modern social media technology and enabled, what at first seemed at least, a new era of prosperity for the arabic nations.
C. Hitler described the "perfect" Aryan, as he would promote those qualities that he wanted in an Aryan. Not only this , but sadly the Holocaust was a promotion of racial purity, as Hitler thought Jews were unpure and pretty much evil.
Las Casas portrayed the natives as naïve. They believed that the Spanish were sent from heaven, and as such treated them well until the cruelty started. Las Casas also portrays the weapons that the natives use similar to naïve boys.