“…In general, dual citizenship by birth is more broadly recognized than dual citizenship by naturalization. It is often a requirement of naturalization that allegiances and/or citizenship to another country are renounced, which in practice means that several countries allow their émigrés to obtain multiple citizenships, but not their immigrant population (Liebich, 2000; Howard, 2005). A number of countries allow and/or encourage their diaspora to maintain ties with their origin country, while demanding renunciation of previous allegiances by immigrants (Howard, 2005:708).…”