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Marriage | Definition, History, Types, Customs, Laws, & Facts
Marriage - Wikipedia
What Is Marriage? Definition, Purpose, Types, and Importance
Marriage Definition & Meaning - Merriam-Webster
Marriage in the United States - Wikipedia
Psychology Today: Health, Help, Happiness + Find a Therapist
Americans' attitudes toward marriage are changing rapidly
What was the history of marriage in the United States
Marriage | Psychology Today
marriage summary | Britannica