Why Obito Gave Itachi's Eyes To Sasuke

Obito gave Itachi's Mangekyou Sharingan to Sasuke, which allowed Sasuke to awaken the Eternal Mangekyou Sharingan and become much more powerful. But why did Obito do that? Sasuke eventually turns against Obito in the Naruto War Arc and after getting the EMS Sasuke doesn't do anything to help Obito whatsoever. Become a member to get cool perks: https://www.youtube.com/channel/UCOtn4rEY_fVhpetxmfbxG2A/join Like the video! Subscribe to DygoKnight: https://www.youtube.com/channel/UCOtn4rEY_fVhpetxmfbxG2A/featured?sub_confirmation=1