Answer:
Option: d. a northern politician banished to the Confederacy.
Explanation:
Clement Vallandigham was a politician during the Civil War in America. He was born in Ohio in 29, July 1820. Vallandigham became a leader of the Copperhead known as anti-war Democrats. He gave his opinion against war to settle the differences between the South and the North. He was later banished to Confederacy by President Abraham Lincoln.
Thomas Jefferson
Thomas Jefferson envisioned the American economy as one based on agriculture whereby farming agricultural produce formed the mainstay of the economy. The invention of the Gin for instance transformed the states agricultural landscape and led to development of an economy based on agriculture
Great Depression is the answer