The only factor that distinguishes different cylindrical map projections from one another is the scale used when spacing the parallel lines on the map. The downsides of cylindrical map projections are that they are severely distorted at the poles.
Several problems result from income inequality as it related to development are Social, Economical, Political and Technological along with Psychological inequality.
The social income inequality may be understood by the lifestyles and way of livelihood, seclusion from society and lack of educational and institutional infrastructure. Poor housing conditions and health issues.
Economic inequalities related to the basic unequal distribution of wealth due to lower or poor wages and mortgage problems. No or low jobs and institutional awkwardness.
Political inequalities related to instability of government and drastic changes in policies by the government, political instability, and unrest violence and war among nations for lands and property.
Technological inequality related to low techno know-hows and redundant or low transfer to technology among nations.
Psychological inequality is casts, class, race, and clans
The challenges range from terrorism and violent extremism, to piracy, political instability, elections-related violence, drug trafficking or deadly viruses.
