Colonialism is a practice or policy of control by one people or power over other people or areas, often by establishing colonies and generally with the aim of economic dominance. In the process of colonisation, colonisers may impose their religion, language, economics, and other cultural practices. And Nationalism, ideology based on the premise that the individual’s loyalty and devotion to the nation-state surpass other individual or group interests. What greatly affected the Fillipinos was Nationalism.