After the Lansing attack in Kansas, the DSE was running for their lives and Comonswealth people accepted there pressence in their system, so DSE decided to stay there and in conjunction with Comonswealth, build their mining base there. Then came the separation and becoming of new DSM, and furthermore as HF and LN and AC were all working together to defend Lansing from siege, it would be unlogical for the Liberty Goverment to have anything against DSM finding safe heaven in Comonswealth space