Answer:
It helped make cotton the foundation of the state's economy.
Step-by-step explanation:
The Southern states of America witnessed an outstanding growth with the advent of slavery. Human slavery helped the countries flourish and reach to the level of prosperity. The Mississippi River valley became the largest producer of cotton among the entire nation. The plantation of cotton require a huge human force and this necessity was fulfilled by the enslaved workers. The country boomed with the evils of slavery.