Before the fateful accident that would set the Voyager-colonists off course by the magnitude of hundreds of thousands, they were just one of seventeen identical fleets with courses set to colonize different parts of the Milky Way in the name of Earth.
The mass colonization program was known as the Expansion Initiative. The people behind the ambition was SEC, which was short for the Scientific Exploration and Colonization Initiative. SEC was wholly devoted to the principle of expanding humanity’s reach to every corner of the Galaxy, and to reach that goal, SEC stripped Venus and Mars of their raw materials, and incorporated entire countries into its workforce.
Unsurprisingly, by the time the ships were completed, SEC had become the most influential and powerful body on Earth, uniting most of the human population under its direct control and hegemonizing the rest. SEC’s all-encompassing reach had made its goals of interstellar colonization possible, but it didn’t