Niger–Nigeria relations little interest in a pan-Hausa state. The division of Lake Chad, although forced to go to mediation between Chad, Cameroon, Niger, and Nigeria, awaits formal settlement and has not been a source of tension between Niamey and Abuja. Nigeria has an embassy in Niamey, while Niger maintains an embassy in Abuja. The cities of southern Niger and Northern Nigeria have been linked in the Trans-Saharan trade going back to the medieval period. Cities such as Kano and Katsina have long been the southern terminus of trade networks which sustain much of Niger's economy. Nigeria benefits from the trade and agricultural
Constitution of Chad Rights. The constitutional endorsement of the Universal Declaration of Human Rights is an aspect Chad has in common with many national constitutions: among African countries, it is endorsed by Benin, Burkina Faso, Burundi, Cameroon, Cape Verde, Comoros, Congo-Brazzaville, Côte d'Ivoire, Equatorial Guinea, Ethiopia, Gabon, Guinea, Guinea-Bissau, Mali, Mauritania, Niger, Rwanda, Senegal and Tanzania. A problem is represented by the implementation of the human rights norms, as there is a legal vacuum due to the lack of the necessary provisions in the Criminal Code, which has to be amended so that national legislation is put into line with the international human