Answer:
Ancient Greek and Rome.
Explanation:
They were both major parts through the time period with the most powers and most cultural and most efficient.
Answer:
Knowledge of how to manipulate the system
Explanation:
President Lyndon Johnson was able to get passage of the Civil Rights Act through Congress because of his deep experience in the Senate, understanding who to influence and how.
I'm not an expert on this but I'm speculating "fracking"
Which uses high water pressure to extract the coal.
Well theres the french revolution there was the humanist movement (the Renaissance) the discovery of the new world ( indians ) the american revolution i can only think of those
