What is Incorporation doctrine
(Can’t use the internet definition)

Its a constitutional doctrine that makes it so the bill or rights is applied to all the states through due process which is in the 14th amendment.  It also makes it so the bill of rights is applied to every from of government, not just federal.

Explanation:

worldwide, 780 million people do not have access to an improved water source. an estimated 2.5 billion people lack access to improved sanitation (more than 35% of the world's population)