It has become evident that the primary lesson of the study of evolution is that all evolution is coevolution: every organism is evolving in tandem with the organisms around it.
At Leeds the idea of an international labour organization appeared in a trade-union text which also drew attention to the danger to the working classes inherent in the existence of international capitalist competition.
Thus we have at least a national song that unites all Germans, and is the symbol of our sixty-million nation.