Relations -- 25 Islam -- 17 Christianity 5 History -- 4 Islam 4 Christianity and other religions -- 3 Foreign relations -- 3 more ... Islam and politics 3 Muslims -- 3 Economic integration 2 Economic policy 2 Financial institutions -- 2 Foreign economic relations -- 2 History 2 Western influences 2 Arab-Israeli conflict 1 Architectural design -- 1 Architecture -- 1 Building designers 1 Buildings, structures, etc 1 Christianity -- 1 Church history 1 Civilization -- 1 Civilization, Medieval 1 Commerce -- 1 Congresses 1 Congresses -- 1 Conservatism -- 1 East and West 1 Economic conditions 1 less ...