Passage: On a September morning, in the small town of Calumet, Colorado, a local high school teacher pauses when he sees Soviet paratroopers landing in a nearby field. The paratroopers open fire when the teacher confronts them. Pandemonium follows as students flee amid heavy gunfire. In downtown Calumet, Cuban and Soviet troops are trying to impose order after a hasty occupation. Cuban Colonel Bella instructs the KGB to go to a local sporting goods store and obtain the records of the store's gun sales on the ATF's Form 4473, which lists citizens who have purchased firearms.

Question: What were Cuban and Soviet military were trying to impose in Calumet following the incident?
order