I compared Nigeria with South Africa, America was mentioned there because that's the county other Africa countries wish to be like. In 2017 Nigeria was the biggest economy in Africa and their minimum wage was still lesser than South Africa that came 2nd. Also many Africa countries are paying their works higher than what Nigeria pays her workers.
Nigeria Labour Congress overseas the running of all four organisation that runs the economy of the county which means if they go on strike every other section will follow to understand how Nigeria Labour Congress works read her wikipedia page