Thatâs capital delta (lower case is Î´), a letter of the Greek alphabet. It can be used in equations just like normal letters in a similar manner to x. It is usually used to represent: a difference. an angle.
Roosevelt also sought to convince the public that an international organization was the best means to prevent future wars. The Senate approved the UN Charter on July 28, 1945, by a vote of 89 to 2. The United Nations came into existence on October 24, 1945, after 29 nations had ratified the Charter.
Click on picture to be directed to organizations' official website. Three examples areâ¦. The United Nations was created on January 1st, 1942, by the U.S. President Franklin D. Roosevelt after World War II. The organization was originally created to prevent a third world war and to promote international cooperation. When the UN was created, it replaced the ineffective League of Nations.