Answer:
The Yalta Conference essentially confirmed the accords reach in the previous Allied conference at Teheran in 1943, in regards to the unconditional surrender of the Axis powers. What was confirmed in Yalta was the commitment to create a new international organization, better equipped than the previous Society of Nations. This organization would be the United Nations.
Explanation:
The Yalta Conference was the entry point of the Cold War, that would essentially began after the Postdam Conference in 1945. What made Yalta relevant, was the commitment to install the United Nations as a heir of the former Society of Nations of the 1920's, but with the aim that this new organization would have a better way of coercing nations to respect international laws. However the conference also saw the Soviet Union using the leverage it had regarding the war, to make the US help it to force Britain to accept for example the Soviet occupation of Poland, in exchange for the Soviet war declaration over Japan.
Roman Republic became dictatorship in the event of abolishment of monarchy back in 501 BC
Explanation:
The Roman empire was under monarchy ever since ages, which later to be divided by the power of King into two praetors. This division was done annually, which later to turn as a threat in order to re-establish monarchy.
This posed the necessity to develop a dictatorship as proposed and intel by the Senate. Praetor maximus or the dictator was hence made the superior position and Titus Lartius in 501 BC is known to be the first to acquire the position, leaving Roman Republic to dictatorship.