Colony Wars - Vengeance USA

When a nation has been oppressed by a government or tyrannical leadership, its people can either revolt or take their undue punishment lying down. In this case, the League of Free Worlds felt the Earth-based naval Empire had taken things too far; they initiated a revolution, a rebellion against their leaders. And they were successful -- they depleted the Empire's taskforce so much that the League of Free Worlds became a dominating force of the solar system.