abraham lincoln admiral alabama american civil war anaconda plan anno domini antebellum army of northern virginia atlantic ocean battle of mobile bay battle of port royal belligerent bermuda blockade blockade runner cape fear chattahoochee river chesapeake bay confederate states of america cotton cuba david dixon porter david farragut de facto eastern theater of the american civil war flag state flagship florida fort fisher fort monroe gideon welles gone with the wind great britain great seal of the united states gulf coast of the united states gulf of mexico havana infantry international law international waters key west letter of marque louisiana lower seaboard theater of the american civil war mexico militia mississippi mississippi river mobile bay north carolina pacific coast theater of the american civil war paris declaration respecting maritime law potomac river president of the united states prisoner-of-war camp public international law rhett butler royal navy samuel francis du pont samuel phillips lee south carolina southern united states spar torpedo special session squadron stone fleet taxing and spending clause territorial waters texas torpedo boat trans-mississippi theater of the american civil war union navy united states united states congress united states constitution united states nationality law virginia visit and search western theater of the american civil war william mckean william mervine william radford winfield scott yankee