The article considers features of Brazilian participation in peacekeeping missions under the auspices of the United Nations related to the commitment to preventive diplomacy in resolving the conflict, the combination of diplomacy and peace-building efforts and rehabilitation of the economies of countries-participants of the conflict. Brazil put forward the initiative “Supporters of mediation”, that adds the concept of the United Nations “Responsibility to Protect” (R2P) with the concept “Responsibility while protecting” (RwhileP). Brazil advocates for human rights. It marked Brazil's position on the rejection of humanitarian intervention, since the use of force leads to increased violence and instability, which manifested itself in the situation in the Middle East, and mass migration. For the country is characterized the analysis of the sources of conflict, adherence to international law, and understanding of the relationship between security and sustainable development, which is reflected in Brazil's foreign policy strategy, national security strategy.

UN peacekeeping missions, peace-building, preventive diplomacy, humanitarian aid, security and development