Answer:
Portuguese soldiers came to Ethiopia in 1541 to help the Ethiopian emperor, Gelawdewos, fight against the Muslim Adal Sultanate, which was threatening Ethiopia's sovereignty. The Portuguese soldiers were led by Cristóvão da Gama, the son of the famous explorer Vasco da Gama. The Portuguese and Ethiopian forces were successful in defeating the Adal Sultanate in the Battle of Wayna Daga, which helped to secure Ethiopia's independence.
Step-by-step explanation: