sentences:  SDI'S commitment to work with local and national Governments, bi-lateral and multi-lateral agencies is based on the principal of militant negotiations.This approach comes from a perspective that the problem of urban poverty cannot be addressed at scale without direct collaboration between organised communities of the urban poor and formal actors in the sector, especially local Governments.However certain human rights activists and academics have interpreted this as proof of co-optation by state institutions and international agencies and undermining more rights-based radical social movements.