remove_naval_treaty_effect = {
	if = {
		limit = {
			has_idea = MTG_naval_treaty_adherent
		}
		remove_ideas = MTG_naval_treaty_adherent
	}
    else_if = {
		limit = {
			has_idea = MTG_naval_treaty_adherent_1936
		}
		remove_ideas = MTG_naval_treaty_adherent_1936
	}
	else_if = {
		limit = {
			has_idea = MTG_naval_treaty_cheating
		}
		remove_ideas = MTG_naval_treaty_cheating
	}
	else_if = {
		limit = {
			has_idea = MTG_naval_treaty_adherent_reduced
		}
		remove_ideas = MTG_naval_treaty_adherent_reduced
	}
	else_if = {
		limit = {
			has_idea = MTG_naval_treaty_cheating_reduced
		}
		remove_ideas = MTG_naval_treaty_cheating_reduced
	}
	set_country_flag = MTG_naval_treaty_abandoned
}

add_article_xix = {
	every_state = {
		limit = {
			owner = { has_naval_treaty_trigger = yes }
			OR = {
				is_on_continent = asia
				is_on_continent = australia
			}
			OR = {
				is_core_of = HAW
                is_core_of = FIJ
                is_core_of = TAH
                is_core_of = GUM
                is_core_of = FSM
				is_owned_by = JAP
				is_owned_by = USA
			}
			is_island_state = yes
		}
		add_dynamic_modifier = {
			modifier = washington_treaty_article_xix
		}
	}
}

add_starting_navy_spirits = {
	JAP = {
		add_ideas = etajima_naval_academy
		add_ideas = inflexible_headquarter
	}
	GER = {
		add_ideas = kiel_standard
		add_ideas = murwik_naval_academy
	}
	USA = {
		add_ideas = annapolis_naval_academy
		add_ideas = panama_standard
	}
	ENG = {
		add_ideas = dartmouth_naval_academy
	}
}

sign_naval_treaty = {
	every_country = {
		limit = { has_naval_treaty_trigger = yes }
		country_event = {
			id = MTG_naval_treaty.12
			days = 60
		}
	}
}