How Can Prince Charles?
1) There was not a specific rule involved at that time, but various circumstances led to that decision. “On 16 November 1936, Edward invited Prime Minister Stanley Baldwin to Buckingham Palace and expressed his desire to marry Wallis Simpson when she became free to re-marry. Baldwin informed the King that his subjects would deem the marriage morally unacceptable, largely because remarriage after divorce was opposed by the Church of England, and the people would not tolerate Wallis as Queen. As King, Edward held the role of Supreme Governor of the Church of England, and the clergy expected him to support the Church’s teachings. Edward proposed an alternative solution of a morganatic marriage, in which he would remain King but Wallis would not become Queen. She would enjoy some lesser title instead, and any children they might have would not inherit the throne. This too was rejected by the British Cabinet as well as other Dominion governments, whose views were sought pursuant to the Stat