Can someone plz help me plz? :(

D. Invented gunpowder for weaponry.

It's the only one that makes sense in my opinion. Sorry if it is incorrect

A

Explanation:

for points

popular sovereignty   influenced the declaration of independence because the colonists wanted to have freedom to do they wanted so they put into writing

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)