The USA developed the more powerful H-Bomb because it would be more powerful than the atomic bomb and it wold give the USA advantage over Russia and their nuclear bombs.
William Penn, he was given a land grant of over 45,000 square miles of land from King Charles the second.Penn was going to name the land Sylvania, but the king insisted that he name the land to recognize his father who he owed, so he named the land Pennsylvania.The answer to that question is therefore William Penn.
They were fighting western influence and trying to restablish their empires as well as unite them.