super long sentence

Cullen's sentence:

The central figure in Whig party politics and ideology was Henry Clay, who championed what he called "The American System," whereby high tariffs on foreign goods would promote northern industry by making domestic products comparatively cheaply, which in turn would foster strong demand for western foodstuffs and southern cotton to fuel an industrial revolution. (p. 73)

My sentence:

The professor for AmCon Section B, DeAne, introduced to the class the idea of democracy in the Second Great Awakening, in which Christianity was spread throughout the early nation, and in turn influenced future Americans to spread their political ideas everywhere else, which evoked much thought and discussion within the classroom.