I would have to say C. Though take that answer with a grain of salt.
Answer:
Germanmilitary potential was much greater than Japan, so
Explanation: German military potential was much greater than Japan, so the United States government, along with the United Kingdom, decided they were the greater threat to the Allies, and should be dealt with first, if necessary at the expense of the Pacific theater, as once Germany was defeated, Japan could be defeated later.
The relationship went bad because of England wanting to repay its war debts by increasing taxes on the American colonists.
The answer is in the 'necessary and proper clause' of the U.S.<span> Constitution, better known as the '</span>elastic clause<span>,' which allows Congress to </span>make<span> laws it needs to carry out its own powers.</span>