What scientific law did Archimedes establish?

the law of geometry
the law of astronomy
the law of lever and balance
the law of Earth and universe

archimedes establish the law of physical law of buoyancy,

Explanation:

During this period (1763 t0 1776) it was known as the lead to the revolutionary war.

In 1763 the French-Indian war ended

In this time period relations between colonists and the British Crown broke

taxes were raised due to the British empire being low on money

in 1775 the revolutionary war started