|North American Cold War|
| British Empire|
The main driving factor of the Martian invasion of Earth was the widespread popular belief that the Martian race was superior to the Human race. Thus, the Martian leadership believed that the Human race needed to be eradicated in order for the Empire to dominate the Solar System. The speciesism of the Martian population, however, would lead to their extinction at the hands of Human ground forces during the Second Human-Martian War.