Cancellations are rare, but if a rebel insurgency suddenly happens in the capital city of your study destination, or there's an outbreak of bird flu in the region, it may be deemed too dangerous to continue the program.
According to ABC News, the Maoist Shining Path insurgency killed nearly 70,000 Peruvians during the 1980s and 1990s, nearly bringing Peru into a total collapse.
He was a disciple of Rodin and a leader of the insurgency in America.
He was large, as were all the genetically engineered, secretive counter-insurgency special forces in the regular army.
He specializes in discreet, highly contained domestic counter insurgency and counterterrorism operations.
Mixed in with the rest of the survivors, like any good insurgency.
We haven't seen any civilians in two days, though we've had some fierce battles with some sort of insurgency.
General Greene is leading the Western insurgency.
Panic spun through her, and she didn't know which she feared more: Greenie finding her or the insurgency.
If so, no Utopia has ever yet been presented in a style so little calculated to stir the imagination, to warm the feelings, to soothe the insurgency of the reason.