<P> Agricultural co-operatives in the U.S. have had some mainstream success, including Welch's, Ocean Spray, and Land O'Lakes . </P> <P> In the United States, a co-operative association was founded by 1920 . Currently there are over 29,000 co-operatives employing 2 million people with over $652 billion in annual revenue . To address the need for an organization oriented to newer and smaller co-ops, the United States Federation of Worker Cooperatives was founded after 2000 . </P> <P> An alternative method of employee - ownership, the Employee Stock Ownership Plan (ESOP), was developed in the U.S. by Louis Kelso and advocated by Senator Russell Long to be incentivized in the ERISA law of 1974 . For example, a large Southeastern US supermarket chain a California manufacturer, and a furniture - maker with earnings of more than $2 billion, are employee - owned . Employee - owned trusts have also been developed more or less independently, for example at an established iron pipe company </P> <P> The Fair Trade certification movement established first in the Netherlands in 1988 with an international headquarters in Bonn nine years later requires member farmers to have established a co-operative . </P>

Briefly trace the history of modern cooperative in nigeria