Hello, I'd like to clarify the answer to this question on the Kenny and Melissa estate case

Which of the following is not a requirement of the unlimited marital deduction? 1. In order to claim a marital deduction on the 7'06, the decedent must have been married as of the date of his death. 2. The surviving spouse must receive property through the estate. 3. The surviving spouse must be a US. citizen. 4. The gross value of qualifying property left to the surviving spouse is included in the marital deduction. Business Accounting F] 06; Answer 8: Explanation 9 Solved by verified expert @ 3. The suniiving spouse must be a US. citizen. Step-bystep explanation The unlimited marital deduction does not discriminate your country of origin. Spouses of U.8 and nonUS origin are all subject to it