What Became a Key Component of the Underground Railroad in the 1850s

Multiple Choice

What became a key component of the Underground Railroad in the 1850s?

A) Abolitionists finally agreed to participate in hiding and moving slaves to freedom.
B) Slave catchers also employed the Underground Railroad to return slaves to the South.
C) The Erie Canal became the primary means to get slaves to freedom in Canada.
D) Ships bound for Africa were added to allow slaves to return to their homelands.
E) Trains were used more frequently to take slaves to Canada and freedom.