Mainline Protestantism
Ecumenism
https://en.wikipedia.org/wiki/Category:Christian_ecumenism
https://en.wikipedia.org/wiki/Ecumenism
https://www.wikidata.org/wiki/Q156112
Any of various mainline Protestant movements or religions which aims to bring about closer relationships among their churches and promote Christian unity.
Oecumenism
Ĺ’cumenism