Citizenship can be acquired by

Citizenship can be acquired by: - Naturalization. Therefore, the correct answer is: naturalization. For reference, here are the definitions of the other terms mentioned: - Nationalism: a sentiment based on common cultural, historical, or political factors that unites a group of people as a distinct nation with a shared identity. - Indigenization: the process of bringing individuals or groups under the authority or domination of an indigenous group or culture. - Communalism: a social and political system that emphasizes the importance of community and the common good over individual interests.