The UN should assist in the formulation of constitutions as a prerequisite for economic assistance. As countless cases have shown, to prevent people from moving abroad, the best immigration policy is for the heads of countries of emigrants not to let their own people to flee and leave their countries due to low life quality, and simply adopt the principles for 'long and prosperous governance of the country' as expressed in the Charter for Permanent Peace. §1.2 §3.2 §3.6