Pan-Islamism
[ pan-is-lah-miz-uh m, -iz-, -is-luh-miz-, -iz- ]
/ ˌpæn ɪsˈlɑ mɪz əm, -ɪz-, -ˈɪs ləˌmɪz-, -ˈɪz- /
noun
the idea or advocacy of a political union of all Muslim nations.