By 2400 Antarctica was ice free and as a result North American republic’s as well as many other countries began to establish research bases colonies and and civilian basis. This was made possible because and 2120 the UN authorized the legalization of the colonization of Antarctica. This was primarily done due to the fact there were so many environmental refugees as a result of the climate crisis. The first reach search base establishing was the great lakes Republic Antarctic research base. This place was constructed by the republic for the great lakes which was the most powerful republican North America. It also lead to the establishment many colonies to be established on the continent. By 2500 Antarctica was producing crops that provide food for much of the world.