Back in 2010,Oklahomans voted in a referendum to prohibit the exercise of any kind of Sharia law in the state. A judge there ruled that ban was unconstitutional for targeting a specific religious group, in this case Muslims. Now, and ten states occupy made it illegal to apply foreign laws to things like contracts,marriages, adoptions, and divorces.
But these rules created by state legislatures also create problems for people with family or businesses abroad,regardless of their religion. Are people married in another country or in a religious ceremony recognized in those states? How about a contract involving an American party that specifies it follows German law?Faiza Patel, co-director of the Liberty & National Security Program at the Brennan middle at New York University, or says at the very least,these bans are symbolic of the scare of Muslims and create uncertainty about how state courts will deal with foreign laws.
Source: wnyc.org