How important was fort Frederica to the war of Jenkins ear?

Fort Frederica was established in 1736 by James Oglethorpe to protect the southern boundary of his new colony of Georgia from the Spanish in Florida.  Oglethorpe's foresight in establishing Frederica was rewarded in 1742 during the War of Jenkins' Ear. Spanish forces from Florida and Cuba landed on St. Although the War of Jenkins' Ear remains a minor episode in early American history, it has much significance for colonial Georgia. The pickled ear of Captain Robert Jenkins became a rallying point for Englishmen eager to challenge Spanish power in the New World. On July 7, 1742, English and Spanish forces skirmished on St. This event was the only Spanish attempt to invade Georgia during the War of Jenkins' Ear, and it resulted in a significant English victory. General James Oglethorpe redeemed his reputation from his defeat at St

hope I helped you ;)

the perimeter of a triangle is 69 cm. side a is 5 cm shorter than side b. side c is twice as long as side a. find the length of each side. i need to know how to do it in 2 equations.  

equations:

a = b-5

c = 2a

a + b + c = 69