Conventional wisdom has long proclaimed that moss clumps grow on the north side of a tree, but this is only partially true. In the northern hemisphere, the Sun shines from the south, which means the north side of a tree trunk is typically the shadiest.
The Teamsters joined the Service Employees International Union, the largest AFL-CIO affiliate with 1.8 million members, in bolting. The SEIU is a union that AFL-CIO President John Sweeney once headed. They said they were forming a competing labor coalition designed to reverse laborâs long decline in union membership.
The AFL-CIO is the American Federation of Labor and  Congress of Industrial Organizations. It's the largest  federation (collective) of labor unions in the US. Originally thâ¦ey  were two separate organizations, the AFL and the CIO. They merged  forming the AFL-CIO.