They wanted to stop it because they thought it would be bad for the economy.
Answer:
The Rinnegan ( 輪廻眼, literally meaning: Saṃsāra Eye) is reputed as the most exalted eye amongst the "Three Great Dōjutsu ", the others being the Sharingan and the Byakugan.
Known only to the Otsutsuki clan, Jougan, literally meaning “Pure Eye” is a unique dojutsu. The clan’s members have often called it “troublesome”. In the manga, the dojutsu is featureless in appearance with a barely visible pupil whereas, in the anime, Jougan eye is blue in colour with a darkened sclera and a visible pupil.
Explanation:
