In the late nineteenth century a document was released that is known as The Protocols of the Learned Elders of Zion. In fact, The Protocols is not a new document. The original version of The Protocols came out of a meeting in Rome in 1492. The original document certainly involved the precursors of the Elders of Zion, most of whom were NOT of Hebrew blood, nor were they actually followers of the Jewish faith. In fact, most of the 1492 Elders were affiliated with the Catholic Church.
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Aliens have planned world domination for a long, long time. For example, the Anunnaki planned to have the British and Catholics united under a single banner in their drive to achieve world domination. The British-Catholic plan for world domination was a long time in the making. It underwent trial-and-error testing during the reign of the Roman Empire.

The Reptilian plan was dangerously close to consummation and final establishment of the New World Order when the Light intervened and assisted in the American Revolution. Had the Light not intervened, the Reptilians would have succeeded in implementing their NWO in the nineteenth century.

Had the British-Catholic conquest succeeded, it would have given the Reptilians control of the world under the framework of the Reptilian Anunnaki Protocols of 1492. However, the American Revolution broke the relentless British colonization of the world and ultimately forced the British to give many of its other colonies some form of independence.
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When the Reptilian 1492 Protocols failed, the Reptilians used an alternative plan to try to destroy America from within and re-assimilate it into the British Empire.

At the same time that the Reptilians tried to resuscitate the 1492 Protocols, a desperate alternative plan in which they solicited the aid of other alien groups, which included Vulturites, Greys, Masa-karas, Wagools etc. However, this is a show alliance. The Reptilians have no intention of sharing and being in alliance with other alien races.