C. the division of congressional power between two chambers.
Explanation:
The division of powers in the United States is thought to prevent the nation to become a tiranny, or a dictatorship, if a president tries to impose a law where he could be for example re-elected to perpetuity the one of the chambers could stop him, also if one chamber gets corrupted the other and the president can take care of it. Having a two cameras in the legislature allows us to divide the power.
Theorganization formed by the proper Puritan<span> colonies for mutual protection and cooperation in the</span>1640s<span>: New England Confederation.</span>
Washington argued that African Americans must concentrate on educating themselves, learning useful trades, and investing in their own businesses. Hard work, economic progress, and merit, he believed, would prove to whites the value of blacks to the American economy.
A flexible expense is something that can be changed at any time. Vacation savings fits the mold of this, as it can be changed. It is not desperately needed, unlike the others.