<span>The congress had a liberal agenda that threatened the conservatives of France. The congress of Vienna strove for elected parliaments to hone in on the monarchy across Europe to limit their power. In addition, the congress proposed new territorial boundaries that many objected.</span>
After the U.S. landings at Inchon, the North Korean forces were retreating in disarray. MacArthur saw this as a moment to attack into China to reverse the Communist Revolution just a few years before. China attacked fearing the same.
I think it's c but I am not sure
Among the suggested causes of the Great Depression are: the stock market crash of 1929; the collapse of world trade due to the Smoot-Hawley Tariff; government policies; bank failures and panics; and the collapse of the money supply.