Well it opened trade back up in France. That is what I was told but online research may say differently.
They provided freed slaves with places to live as well as education. They also provided food and aid.
Piracy--the attack of piracy was the attacking of ships and taking of the goods.
Pirate or privateers worked in crews with a hierarchy targeting merchant ships to attack and take the good on the ship. The goods would then be sold on the black market or traded for other more valuable items. Royal ships were especially targeted as they often contained gold and other luxury items.