TRAIT_LEADER_ROOSEVELT_COROLLARY only applies to the Rough Rider version of Roosevelt now.
From Table LeaderTraits
Code:
LeaderType TraitType
LEADER_T_ROOSEVELT_ROUGHRIDER TRAIT_LEADER_UNIT_AMERICAN_ROUGH_RIDER
LEADER_T_ROOSEVELT_ROUGHRIDER TRAIT_LEADER_ROOSEVELT_COROLLARY
LEADER_T_ROOSEVELT_ROUGHRIDER TRAIT_LEADER_NONRELIGIOUS_MAJOR_CIV
LEADER_T_ROOSEVELT_ROUGHRIDER TRAIT_LEADER_LOW_RELIGIOUS_PREFERENCE
LEADER_T_ROOSEVELT_ROUGHRIDER TRAIT_LEADER_LOW_CITY_STATE_PREFERENCE_WAR
LEADER_T_ROOSEVELT_ROUGHRIDER TRAIT_LEADER_CULTURAL_MAJOR_CIV
LEADER_T_ROOSEVELT TRAIT_LEADER_PURSUE_DIPLOMATIC_VICTORY
LEADER_T_ROOSEVELT TRAIT_LEADER_NONRELIGIOUS_MAJOR_CIV
LEADER_T_ROOSEVELT TRAIT_LEADER_LOW_RELIGIOUS_PREFERENCE
LEADER_T_ROOSEVELT TRAIT_LEADER_LOW_CITY_STATE_PREFERENCE_WAR
LEADER_T_ROOSEVELT TRAIT_LEADER_CULTURAL_MAJOR_CIV
LEADER_T_ROOSEVELT TRAIT_LEADER_ANTIQUES_AND_PARKS
TRAIT_CIVILIZATION_FOUNDING_FATHERS still applies to America regardless.
So far as I can see the ModifierIds are all still valid.
But without the modinfo file of the mod to check the method the file is being implemented into the database we cannot really figure out anything more.
You need to zip and attach the entire mod subfolder from the game's Mods folder at