sentences:  In April 1716, the Spanish salvagers had left the site of Jennings' first two attacks, and Jennings returned again to the site, this time leading efforts to recover more sunken treasure.After political pressure, Hamilton issued proclamations in April 1716 forbidding all commissioned vessels in Jamaica from fishing the Florida wrecks for plunder.It was one of his last acts as governor before Hamilton was himself arrested, and overall he declared all passes issued to treasure hunters null and void, meaning that henceforth, any captain attacking Spanish forts or vessels in peacetime was a pirate.