White supremacists carried medieval signs in Charlottesville because the miedeval signs are used by people in France and Britain to represent a time of racial purity in their country that never existed and never will exist. In general, white supremacists just want to make up fantasies of a time that never existed with the miedeval signs.
The cheap labor in the form of slaves.
The correct answer is "exaggerated the truth about the event."
Very shortly after the USS Maine sunk, it was reported that the ship sunk due to an attack by the Spanish. The newspaper headlines blamed the Spanish completely and portrayed them as evil. Due to this propaganda, many American citizens supported the US getting involved in the affairs of Cuba and Spain. This would become known as the Spanish-American War.