Porcelain, stationary printing press, gunpowder and later, the moving printing press
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Answer:
This is the concept of separation of powers.
Explanation:
The separation of powers is a concept created by Montesquieu that determines that the system of government of a nation must be governed by three different powers (executive, legislative and judiciary powers) that represent branches separate from the governmental system, in addition to monitoring each other, preventing the abuse of power and the concentration of power in just one branch of government.
In summary, the separation of powers allows separate branches of government to prevent actions by other branches of government. In representative democracy, checks and balances help to restrict powers between different branches.
Just as it was in Roman culture and influence, America has modeled itself as a leading global power militarily, politically and economically.
Consider themselves as a chosen people to show the rest how things are done.
However, socially, Rome had no middle class, but America has an evident middle class.
Rome Was always depending on slaves throughout its existence, but America's slaveholding was short-lived.
precipitation and evaporation. hope this helps :)