At first, Rapture developed very quickly because there were many smart scientists who could do any research they wanted. However, after a few years the wealth gap between rich and poor became very wide. This allowed Frank Fontaine to help the poor so that he could begin to control Rapture. Afraid that Fontaine was become too powerful, Ryan took away many rights the people of Rapture had before and became a dictator. By doing this, Andrew Ryan betrayed the same values he built Rapture on. Later, there was a civil war between the rich people (who supported Ryan) and the poor (who supported Fontaine). After the war, Rapture became too dangerous to live in. As a result, most people who could do so left Rapture and returned to the surface world.