It is the legislative branch that received the most power under the Constitution, since the Founding Fathers wanted to make sure that only elected officials carried the most power to avoid the rise of tyranny.
Well they invented the abacus and the wheel
The Italian Prime Minister Orlando didn't speak English,and as this was the language used by the other 3 members of the Big Four Allied powers,he felt left out and sidelined. It became clear that Britain and France were going to renege on the promises of territorial gains they had made to Italy in 1915 to get Italy to join the war on the Allied side. France and Britain had come to the conclusion that Italy had been more of a liability than an aset during the war - considerable aid in terms of arms and other supplies had been sent to Italy,as well as thousands of French and British troops,to prevent an Ital;ian collapse.Orlando thus wasn't held in very high regard by Clemenceau or Lloyd George. So really combination of these factors caused Orlando to walk out of the conference in a huff,feeling he and Italy as a nation had been insulted.
"<span>a. The rising power of the Ottoman Empire restricted their overland access to Asian trade" is the best option since many trade routes were taken away. </span>
In Greece, the US supported the anti-communist side of the Greek Civil War after WW2, and in Turkey the US supplied abundant money and resources to the country in order to make communism seem less appealing.
Hope that I helped!