"Detente" would be the term that best describes when the <span>united states and the soviet union engaged in arms negotiations during a period of "relaxed tensions." This period of time generally refers to more improve American-Soviet relations in which negotiations were made to decrease the rate of the arms race.</span>
The United Nations (the UN) was established in 1945, the same year the Second World War ended. This organization was created in the hopes of averting such another massive war.