Answer:
Napoleon invades Spain and forces King Ferdinand VII to abdicate. He places his brother, Joseph Bonaparte on the Spanish Throne. With no Spanish government on the throne - Colonies must look after themselves.
combined vertical and horizontal integration
South Carolina was placed under military control because Abraham Lincoln believed that reconstruction of the South, after the Civil War was done, needed to be merciful to heal the country. The Reconstruction Act of 1867 placed Southern countries under military rule.