Henry olcott saw the need to unite this religion's teachings.

Answer

Henry Olcott saw the need to unite the Buddhism religion teachings

Explanations

While living with Blavatsky, Olcott was eager to learn more about Buddhism. He concentrated more on pure and original teachings .Scholars today explain Olcott ideas about pure and original Buddhism as a reflection of universal brotherhood. These two individual were later known as the white Buddhist in Sri Lanka.

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yes i am pretty sure hope this