Get brainy and crown what did southerns begin to build along Charleston harbor after Anderson and his men retreated to fort sumter?

In defiance of the Federal presence in Charleston Harbor, the Southerners rebuilt batteries and constructed new fortifications on Sullivan's Island, on Morris Island, and on James Island. When Anderson and his troops first entered Fort Sumter, the fort was far from complete.

Explanation:

the cost of college has risen faster than inflation for many years.

the high price of student services and administration are two reasons for the rapid increase in cost.