The colors black and red have been used by anarchists since at least the late 1800s, though generally used by anarcho-
communists. The
flag was used as the symbol of the anarcho-
syndicalists by the
CNT during the Spanish Civil
War. The black represents
anarchism and the red represents leftist and socialist ideals. George Woodcock writes that the bisected black-and-red
flag symbolized a uniting of "the spirit of later
anarchism with the mass appeal of the First International"
Political
slogans and inspiring
quotes about social change and activism