The general plan of the exposition was intended to symbolize the history
of the Louisiana territory representing the successive occupants of the
soil--the wild animals; the Indians; the discoverers; the explorers;
the hunters; the trappers, and the pioneers. The aim was to make it one
vast educational object lesson. To that end there were extensive
exhibits from thirty States and from the chief cities of work done in
the primary and secondary schools and in the universities and colleges
of the country. This feature culminated in the International Congress of
Arts and Sciences. Over 100 of the leading scholars from England,
France, Germany, Holland, Italy, Japan, the United States, and a number