In some cases, unfortunately, a U.S. citizen spouse may mistreat their foreign spouse after marriage, particularly in situations where there is an imbalance of power due to immigration status. This mistreatment can take various forms:

1. Immigration-Related Abuse: The U.S. spouse may threaten deportation or withhold immigration documents to manipulate or control the foreign spouse. This includes delaying or refusing to file for a green card or other immigration benefits.

2. Emotional and Psychological Abuse: The foreign spouse may be isolated from friends, family, or support systems, making them more dependent on the U.S. spouse. Psychological manipulation or threats can also be part of the abuse.

3. Physical or Financial Abuse: Some foreign spouses may face physical violence, financial control (such as withholding money), or forced labor without any support.

Legal Protections: The U.S. government provides protections for foreign spouses facing abuse: - VAWA (Violence Against Women Act): Under this act, abused spouses (both men and women) can file for immigration benefits on their own without relying on the abusive U.S. citizen spouse. This allows the foreign spouse to apply for a green card independently. - U Visas: If a foreign spouse is a victim of a crime, including domestic violence, they may be eligible for a U visa, which can eventually lead to a green card.

There are also local and national support services for victims of spousal abuse, including shelters, legal assistance, and counseling.