Answer:
In a federal system there is centralized authority, while in a confederal system power is distributed equally among the states.
Explanation:
I would say its because no one really decided to change anything. No one during the old ages really knew how to do anything and only used what they had and what was closest to them.
They knew they needed to replace the British government after the war was over, and the Continental Congress suggested that each state write its own constitution.
It could be argued that until the United States is self-sufficient in oil production, international events can lead to "<span>Higher global demand [that] creates increase in price at the pump," since these events can often lead to a reduction in oil output. </span>
There is some difference between living things and environment but more than that they interdependent among each other.
living things depends upon environment whereas environment is a kind of so non living but fulfill the necessity of living things