Robert A. Taft, a republican senator from Ohio. Most likely other strong republicans opposed FDR as well.
B.) Tyranny of one- too much power in the hands of one
More-developed countries are, for example India. India's technological field spans far greater than the U.S.'s field. Less-developed countries are, for example Africa. The U.S. leads in technology over Africa, but Africa holds more resources than we do.