Complex sentence: The Americans repaired their prize and she was taken into the U.S. Navy but because the War of 1812 was over by that time, "Linnet" was placed in ordinary at Whitehall, New York, until sold in 1825.
Split into simpler sentences: The Americans repaired their prize and she was taken into the U.S. Navy. Because the War of 1812 was over by that time, USS Linnet was placed in ordinary at Whitehall, New York, until sold in 1825.