What impact did the effort of president roosevelt to add up to six new members of the supreme court have on the relationships between the three branches of government?

It was a power grab and an unconstitutional overreach. Fortunately, the Congress held him in check and preserved the Founding Fathers' vision of balance of power.

the communist manifesto is an 1848 political pamphlet by the german near the end of the manifesto, the authors call for a "forcible overthrow of all existing social conditions",  ..

the answer is they believed george iii would never give them their freedom.