Iron Triangle (Vietnam) Iron Triangle (Vietnam) The Iron Triangle (Vietnamese:"Tam Giác Sắt") was a area in the Bình Dương Province of Vietnam, so named due to it being a stronghold of Viet Minh activity during the war. The region was under control of the Viet Minh throughout the French war in Vietnam and continued to be so throughout the phase of American involvement in the Vietnam War, despite concerted efforts on the part of US and South Vietnamese forces to destabilize the region as a power base for their enemy, the communist North Vietnamese–sponsored and–directed South Vietnamese insurgent movement, the National Liberation Front
Triangle (musical instrument) can also be modulated slightly by varying the area struck and by more subtle damping. The triangle (known in Cajun French as a ‘tit-fer, from "petit fer", "little iron") is popular in Cajun music where it serves as the strong beat, especially if no drums are present. In the Brazilian music style Forró it used together with the zabumba (a larger drum) and an accordion. It forms together with the zabumba the rhythmic section. It provides usually an ongoing pulse, damping the tone on the first second and fourth while opening the hand on the third beat to let most