Complex sentence: The conference's eight-hundred delegates promised moral and financial support for church members who faced pressure due to their opposition to LCMS convention actions, and established ELIM as a network and rallying point for the moderate wing of the LCMS.
Split into simpler sentences: The conference's eight-hundred delegates promised moral and financial support for church members who faced pressure due to their opposition to LCMS convention actions. They also formed ELIM, which ended up serving as a network and rallying point for the moderate wing of the LCMS.