The Alliance carried the movement further into economics. The National Farmers Alliance and Industrial Union, formed in 1889, embraced several originally independent organizations (including The Agricultural Wheel) formed from 1873 onwards; it was largely confined to the South and was secret. The National Farmers Alliance, formed in 1880, went back similarly to 1877, was much smaller, Northern and non-secret. The Colored Farmers' National Alliance and Cooperative Union (formed 1888, merged in the above Southern Alliance in 1890) was the second greatest organization. With these three were associated many others, state and national, including an annual, non-partisan, deliberative and advisory Farmers National Congress. The Alliance movement reached its greatest power about 1890, in which year twelve national farmers organizations were represented in conventions in St Louis, and the six leading ones alone probably had a membership of 5,000,000. As with the Grange, so in the ends and declarations of the whole later movement, concrete remedial legislation for agricultural or economic ills was mingled with principles of vague radical tendency and with lofty idealism. Thus, the Southern Alliance in 1890 (the chief platforms were the one at Ocala, Florida, and that of 1889 at St Louis, Missouri, in conjunction with the Knights of Labor) declared its principles to be: