 This breach of the Treaty of Windsor forced the King to abandon Portugal's claim to a large area between Angola and Mozambique (encompassing present-day Zambia, Zimbabwe, and Malawi).This humiliation for Portugal led to public outrage, and was seized by nascent republicans and ideological Jacobins as an opportunity to attack the monarchy.The crisis was not a consequence of the King's actions; rather, it arose from the expansionist policies of the government under Prime Minister José Luciano de Castro.