What is the main conflict in Elijah of Buxton by Christopher Paul Curtis?

The main conflict is centered around the theme of slavery. Over the course of the novel, Elijah becomes embroiled in a scheme that turns dangerous and, in his desire to help his good friend, Leroy, he must work up the courage to go into Michigan to face down a thief, slave catchers, gamblers, white people, and the aura of danger for African Americans during a treacherous time in American history.