It may be, for example, that both are effects of a prior common cause. Causal arguments are often wishful thinking, where the speaker is seeking to prove their case, and hopes (as with other fallacies) that their causal assertion is not challenged.
Civic nationalism is a form of Nationalism that aims to accept all current residents of a nation whatever their race, religion or language. Many, though not all, civic nationalists are liberals.
Civic engagement or civic participation, according to the American Psychological Association, is individual and collective actions designed to identify and address issues of public concern. It can be defined as citizens working together to make a change or difference in the community. Civic engagement includes communities working together in both political and non-political actions. The goal of civic engagement is to address public concerns and promote the quality of the community.