This is what I have done so far on my sheet:
Name Of Country United Nations of Earth and Solar System; The Federation; UN.
Ruler President Amelia Larson of British Empire.
Species The United Nations of Earth and Solar System's population is mostly made up of humans with some species from different worlds. Species can live and become citizens of the United Nations after passing the International Galactic Citizenship Test and living on one of the UN-controlled planets for ten years (living aboard space stations does not count). There are also augmented humans that make up about twenty-eight percent of the human population.
Allegiance Since the fall of the Old Empire, the United Nations of Earth and Solar System agreed that the planets owned by the newly established republic would be neutral towards any sort of factions. For the most part, the republic does trades with different members of the galactic community—no matter their allegiance. Despite their neutrality, they have standing fleet and military preparing for any signs of an invasion or declaration of war.
Government Republic/Federation.
MilitaryHistory After the fall of the Empire, Earth entered a state of chaos as the people rose up against the collapsing empire. Government officials and loyalists were hunted down and killed in several cities all over the systems. The violence and killings lasted several weeks before most of the loyalists either left or got killed. During the last week, the United Kingdoms of Great Britain and Ireland and the United States of America reestablished themselves and started to expand into the unrest lands. Then, other countries formed to protect themselves for the two larger nations. Eventually, fifty-six countries had formed and war was soon entering everyone's minds.
The Earth was still healthy and handed the Empire's usages of their resources. However, that was changing as nuclear war was getting closer. Until the reformation of the United Nation, where it included all of the countries. Their goal at the time was to reclaim the entire Solar System for any newly formed empires on those planets. They managed to put aside their differences and built a better fleet than the Empire's old and dying fleet. Their first targets was the Moon and Mars, which had been claimed by newly established countries. With their army and fleet, they attacked and spent four years on retaking them. Thousands died and millions of dollar spent on keeping the war engine going.
Eventually, both nations surrounded and were annexed into the Federation. But the goal of retaking the Solar System was not over. That goal took fifty years to accomplish due to resistance and cost of maintaining the planets and their colonies all over the hundreds of moons. After finishing their goal, they decided to end their expansion into other systems and tried to rebuild that the Empire destroyed. All of a sudden, the Copernican Federation made contract with the Federation and discovered the Earth for the first time since the Empire's fall. The Copernican didn't like the fact that they were welcoming aliens with open arms into Earth, the home of Humanity.
The formation of their political rivalry began after their first contact and the Copernican Federation is trying to pull the Federation towards their sphere of influence. However, the Federation refuses to be influenced and they are willing to stand their ground even if they could lose everything. Despite their warnings, Earth was declared to be sanctity and any permanently destructive weapons are not allowed towards the planet. They will even help defend Earth if it's invaded by another military force.