How is the lever used in modern society?

a.
it’s used in astronomy to track the path of the stars.
b.
it’s used in construction to lift weights.
c.
it’s used in the medical field to perform surgeries.
d.
it’s used in literary courses to explain difficult ideas.
e.
it’s used in large cities to transport water to villages.

It’s used in construction to lift weights.  

Explanation:

Levers make it simpler to lift heavy materials, expel tight articles and cut things.

hope this helps :)

the right answer is the end of world war ii

after the end of a global wwii all the nations involved, in an attempt to create an organization to maintain world peace. this agreement would work settling international disputes via negotiation and arbitration instead of leading the issues escalate to another war.