During an 1891 civil war in this country, the steamship company CSAV brought a case against the US, claiming that the Itata was wrongly detained. British settlers mutinied against David Cheap off this country’s coast, as recounted in David Grann’s book The Wager. This country’s navy under Jorge Beauchef led an expedition that was defeated at the Battle of Mocopulli. Two American sailors were stabbed (10[1])in front of the “True Blue Saloon” in this country, (-5[1])triggering the Baltimore crisis. In a war with a northern neighbor, this country’s Esmeralda sank at the Battle of Iquique (“ee-KEE-kay”). After the Battle of (10[1])Chacabuco, this country’s general Bernardo O’Higgins (10[1])laid the foundations (10[1])for its modern Navy. For 10 points, name this country whose navy defended seaports like Valparaíso. (0[1])■END■ (10[1]0[1])