The full history of bagmati river clean up campaign​

On 18 May 2013, under the initiative of then chief secretary Leela Mani Poudyal, the Bagmati Mega Clean-Up Campaign was started. Every Saturday, personnels of the Nepal Army and Nepal Police, along with the general public, gather to clean the waste and sewage from the river.

Explanation:

well civil rights mosts white people in america was still racist after ww1 and ww2 then the roaring 20s for blacks so jazz etc but then the depression came in the 30s which blacks were still poor before and super poor during it then came ww2 blacks still fought but many died but then came the times of civil rights then whites stopped being racist