Part 1 of Essay
Island has quite a distinct history. Many people know that served as a federal prison, but most are reluctant to know that this island served as fort. Built before the Civil War, it served two main purposes. First, that it was to guard the San Francisco bay area from enemy ships against a foreign invasion, and second, to ....

Part 2 of Essay
.... must be protected. San Francisco has one of the largest bays in all of California, and so this was where enemy countries would most likely to try to invade the country. So this is where was to lie, to serve as a military fort. It was supposed to serve as a secondary base in companionship to another base located on the other side of Golden Gate Bridge. But with severe problems trying to build this other base, was to remain alone. "Out in the middle of the San Francisco Bay, the island of is definitely ....