That was called the Roman Republic. consisting of two Consuls, elected yearly, a Senate, with a life term, and an assembly.
Had to look for the options and here is my answer.
Chief Justice Earl Warren is known as the former governor of California and under his leadership, the Supreme Court focused on the said issues but one which is the overturning the precedent of "separate but equal". This is with regards to school segregation. Hope this helps.
It resulted in crop failure
The Decisions at the Atlantic and Yalta conferences affected the structure and purpose of the United Nations because they showed that to keep peace in countries, these countries must be stable. It also called for freedom of elections and the right of people to choose their own leaders in Soviet Union territory, although the Soviet Union greatly opposed this.
Basically, the conferences made sure there would not be another horrific world war