1) It promotes Development: when good relationship exists among the various groups that made up a given society, it paves way for better understanding, infrastructural development such as durable road network, portable water supply, result oriented educational institutions, etc.
2) Security of Life and Property: this is guaranteed when there is good inter-communal relationship among the people. The legislature makes laws, the executive implements while the Judiciary interprets, all for the good governance of the people.
3) Stimulates Human Development: healthy inter-communal relationship stimulates human development. graduate from various educational institutions will feature in the world market with employable skills which will result in food security and technological development.
4) It Springs up Business Activities: good inter-communal relationship creates room for Contact Change. Contact change is the transformation that takes place as a result interaction with external groups. It can start with exchange of ideas, information, goods and services and grow into the establishment of small, medium or large scale industries.
5) It Promotes Stimulus and Satisfaction: good inter-communal relationship stimulates individual members to bring out the best in themselves. Satisfaction at the other end goes on to reinforce repetition of actions that are rewarding, this will sustain growth and development in the society.
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Now we have seen what comes out or what are the results of Inter-communal relationship. When this is achieved why can't peace and unity be enclosed in that country.