How can nationalism serve as both a positive and negative force within a country? Select one: Nationalism can lead to greater support for the military, but often divides individuals in a country. Nationalism can improve cross-cultural communication, but often prevents people in a country from forming shared values. Nationalism can give people in a country a common identity which helps unity them, but it often leads to intense competition with other countries Nationalism can lead to greater respect for people of other nations, but can lead a country to surrender easily to foreign invaders.​