Peace was reached between Israel and Egypt after which event(s)

The peace treaty between Egypt and Israel was signed 16 months after Egyptian president and Anwar Sadat's visit to Israel in 1977, after the intense negotiations.

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)

it maybe, we dont know. however lucky the lipercon seams guilty