Concept:The Battle of Adwa was a decisive Ethiopian victory that secured the nation's freedom from Italian colonial ambitions.Explanation:In 1896, Ethiopian forces defeated the Italian army at Adwa.Italy had tried to expand its colonial control over Ethiopia.The Ethiopian victory forced Italy to abandon its invasion and recognise Ethiopia as an independent nation.This made Ethiopia the only African country to successfully resist European colonisation during the Scramble for Africa.Answer:C. Ethiopia gained full independence from Italy.