Complex sentence: It is discovered that he was trying to sow distrust among the Federation members, and the alien ship is identified as having been an Orion vessel, who do not want to see Coridan fall under Federation control, and jeopardize their dilithium smuggling operations.
Split into simpler sentences: It is discovered that he was trying to sow distrust among the Federation members and the alien ship is identified as having been an Orion vessel. They obviously didn't want to see Coridan fall under Federation control and jeopardize their dilithium smuggling operations.