Rwanda, Lesotho, Burundi and Swaziland are also four of the five smallest countries in Africa (excluding the little island nations). It's a whole lot easier to

Rwanda, Lesotho, Burundi and Swaziland are also four of the five smallest countries in Africa (excluding the little island nations). It's a whole lot easier to get 30,000 km^2 to agree (Burundi) than 75,000,000 km^2 (DR Congo).