Complex sentence: The end of the blockade gave "Tampico" a chance to take the fight to the federal gunboats, she would encounter only one, the "Guerrero" at the final Fourth Battle of Topolobampo.
Split into simpler sentences: The end of the blockade gave "Tampico" a chance to take the fight to the federal gunboats. She would encounter only one, the "Guerrero", at the final Fourth Battle of Topolobampo.