Russia, trade of, 25; alliance of, 53; in Asia, 76–78, 153, 300; in Seven Years’ War, 147; in Napoleonic Wars, 184–190, 192, 224–226; a member of the Entente, 305, 317–318; decreased strength of, 322; her need of a navy, 327, 355–356. _See_ RUSSO-JAPANESE WAR Russo-Japanese War, 56–57, 64, 66, 82–84, 88, 256–282, 355 Sackett’s Harbor, 232, 239 St. George’s Channel, 37 St. Helena, 20, 152 St. Lawrence, Gulf of, 20; river, true frontier in 1812, 230 ff. St. Thomas, 103 St. Vincent, Lord, policy of, 5, 193 Saint-André, French Commissioner, 173, 179 Saints’ Passage, battle of, 160, 169 Samana Bay, 103 Sampson, Admiral, #$1#, 241, 249, 250–255 Santa Lucia, 74, 103, 105, 108 Santiago de Cuba, 71, 103, 104, 107, 241, 243, 246, 247; blockade and battle of, 250–255 _Santisima Trinidad_, Spanish ship, 214, 215, 217, 218, 220 Sardinia, 37 Scheldt River, 30, 248 Schleswig Holstein, 349 Schley, Admiral, 241, 246 Sea Power, dependence on, a British policy, #$1#; scope of history of, 3; elements of, 16–47; conditions affecting, 21; growth of British, 141–146, 151–152; controls communications, 77–78; decisive in warfare, 98, 99; an important element in national growth, 154, 286–287; in Napoleonic Wars, 191–197, 221–224; a protection against aggressions by land powers, 306–308; interest in, 326–327 Secession, War of. _See_ CIVIL WAR Semenoff, Russian Captain, quoted, 280 Seven Years’ War, 85–86, 142–144, 147–154, 307 Shafter, General, 269 Sherman, General, quoted, 335 Ship design, unity of purpose in, 61–62 Sicily, 37, 38, 39, 42 Situation, determines strategic value of a point, 69–70, 110 Smith, Sir Sidney, 126 Socotra, 152 Sound, between North and Baltic Seas, 51, 185, 186, 190 South Africa, 290; war in, 293–295, 347 South America, unstable political conditions in, 148–149; application of Monroe Doctrine to, 290 Spain, position of, 26; dependence on sea power, 38, 39; colonial policy of, 45; in 18th century, 141–142, 143–144, 151–152; in Napoleonic Wars, 81, 221, 226; colonial empire of, lost, 291, 342. _See_ SPANISH-AMERICAN WAR Spanish-American War, strategy of, #$1#, 59–60, 88–90; Cervera’s fleet in, 241–249; Santiago blockade, 250–255; strengthened Anglo-American unity, 291–295; could not have been avoided by arbitration, 342, 348–349 Speed, of battleships, 61, 246–248 Strasburg, 71, 137 Strategic Lines and Positions, in the Caribbean, 65–78, 100–112; in the War of 1812, 238–240 Strategy, defined, 4, 12, 49; value of study of, 5; in War of 1812, 229–240; must take into account political conditions, 250–253, 320–327; illustrated by mistakes, 257; must be exercised in time of peace, 274; chief aim of, 311 Submarines, 70, 99 Suez Canal, 26, 28, 51, 70, 77, 152, 252, 261, 289, 290 Suffren, French Admiral, 86, 153 Sully, French Minister, 38