Johannes Gutenburg invented the movable type printing press. (Thank you world history class!)
The answer would be the letter B
The graphic above represents people and events from which era -revolutionary
C. tourists are attracted to the warm weather along the Gulf Coast
imagine you are a king/queen and its time for you to step down as reining monarch, your mother and father are your predecesors and therefore your son or daughter would be heir, normally its the first born child