Answer: Historically, it was also known to western geographers as Mare Mecca (Sea of Mecca), and Sinus Arabicus (Gulf of Arabia). Some ancient geographers called the Red Sea the Arabian Gulf or Gulf of Arabia.
Explanation:
It leaves (leaf=leaves haha)
If by planters you mean "Plantation owners", then it is planters. Plantation owners were at the top of the South's social hierarchy because they possessed large plots of land, yielding much income from the that land, and with the income came political power.
I believe the answer is the closing of the port.