In addition, he wanted "to free Suriname from the military dictatorship." His forces fought against the national military under Bouterse in a civil war called the Surinamese Interior War.
The civil war continued from 1986 to 1990, resulting in hundreds of deaths and more than 10,000 refugees in French Guiana, and disruption of important mining industries.
Peace was negotiated in 1991.
Brunswijk has remained active in politics, serving as chair of Algemene Bevrijdings- en Ontwikkelingspartij (ABOP, General Liberation and Development Party), and as a representative in the National Assembly.
In addition he is a player/owner of Marowijne football club Inter Moengotapoe.