Who said "panta rhei" and what did he mean by this saying?

Philosopher Heraclitus, is the right answer.

Explanation:

Heraclitus of Ephesus was a was a philosopher from Greek. He is best known for the doctrine he gave to the world about the center of the universe. According to him, Change is central to the universe. In this context, he gave the phrase "panta rhei" which implies "everything flows".  

This popular saying used to describe Heraclitus' idea grows from Simplicius, a Neoplatonist, and Cratylus of Plato.

on december 1, 1774, the continental association was created to boycott all contact with british goods. by reversing the economic sanctions placed on the colonists, the delegates hoped britain would repeal its intolerable acts.

abolish

do away with

unanimous

in complete agreement

secede

separate; break free

inauguration

starting a new position with a formal ceremony.

cooperationist

people who wanted the north to cooperate with the south

surrender

to give up

volunteer

perform a service for free

draft

involuntary service in military

retreat

withdraw; move away from enemy

advisor

expert who gives advice

explanation: