The extensive development of the Dominican military during World War II, a buildup that continued unabated after the war with the assistance of arms-dealing countries such as Brazil and Sweden, disturbed the Caribbean peace even as the global conflict ended. Military might, much of its surplus merchandise such as P-51 Mustang fighters and B-26 Marauder bombers, maintained Trujillo as the unassailable master of the Dominican Republic. Trujillo's war-based military complex, most notably its air capability, kept neighboring Haiti in a near-constant state of tension. The threat of being bombed by the Dominican Republic extended to Cuba, Mexico, and Venezuela, among other places, as long as Rafael Trujillo retained his capricious control until 1961.