The Chapter Introduction Relates the Story of the "World's Columbian

The chapter introduction relates the story of the "World's Columbian Exposition" to make the point that

A) the 1890s marked a return to a more stable political and social order after the upheavals of the previous two decades.
B) a political revolution in the 1890s undermined the longstanding power of the Republican party.
C) American society and the world had been transformed by the industrial revolution.
D) by the 1890s, politicians from the South and the West were winning national office more regularly than easterners.