Founding Fathers believed the principle of ‘federalism’ to be important to put in the Constitution because

They believed that governmental power inevitably poses a threat to individual liberty, the exercise of governmental power must be restrained, and that to divide governmental power is to prevent its abuse.

Explanation:

Because they wanted to avoid tyranny, to allow more participation in politics, to use the states as laboratories for new ideas and programs

Explanation:

it provided for selection of government employees through competitive examinations. it also made it unlawful to fire or demote covered employees for political reasons or to require them to give political service or payment, and it set up a civil service commission to enforce the law.

explanation:

it affected it because the kingdoms (with trade) slowly got richer and richer.