Immediately After Harrison's Inauguration

Immediately after Harrison's inauguration,

A) Clay emerged as the power behind the throne, directing the naive and weak-willed Harrison.
B) Harrison died, was succeeded by the doctrinaire John Tyler, and the political climate of the country changed dramatically.
C) Harrison became a surprisingly strong chief executive, modeling himself on Jackson.
D) Harrison died and was succeeded by John Tyler, who was easily manipulated by Webster and Clay.