The Human-Saiyajin Conflict

The Human-Saiyan conflict is a recurring theme throughout Dragonball Timelines, and is the cause of several sagas showing the difficulties of the two cultures coming to terms with each other.

Notable Events

 * The United Government Saga (Dragon Ball 0)
 * The United Government Saga (Dragon Ball X)
 * The United Government Saga (Dragon Ball Wars)
 * The United Government Saga (Dragon Ball Aftermath)

Sagas
The First Human-Saiyan Conflict: The Government of Earth has received complaints of seismic activity in the hills of China. Seeing as there were no fault lines in these areas, the Government investigates its nearest inhabitants. The family lies successfully, but the United Government finds out the truth through forensic evidence. It's televised that there may be aliens living in China, and robotic military are sent over to imprison Goku's friends and family. The situation continues to worsen until Vegeta destroys a metropolis the size of a state in one blow, ending the televised feud and sending humanity into a silent panic.

The Second Human-Saiyan Conflict: The United Government sends a team of four large mechs to destroy the Saiyans. The Saiyans win after a rough battle, but the mechs were rigged with M.A.D. warheads. With no way to disarm them, the Earth is destroyed, leaving only Tiffany and the Dragon balls. She gives them a second chance, and they defeat the mechs safely after her warning. After hypothesizing a case against the United Government, their testimony wouldn't hold water with a populace ignorant of the Dragon balls and Tiffany's invulnerability.

The Third Human-Saiyan Conflict: Having produced several viable clones from Vegeta's DNA, the United Government