Question: What is the Estrada doctrine regarding the recognition of governments? Group of answer choices The Estrada doctrine means that the recognition of a government by the United Nations is necessary once the state has been recognized. The Estrada doctrine means that the recognition of a government is necessary once the state has been recognized. The Estrada doctrine means that the recognition of a government is unnecessary once the state has been recognized. The Estrada doctrine means that the recognition of a government by international organizations, including the Organization of American States, is necessary once the state has been recognized.