Original sentence: Turkish-American relations in the post-WW2 period evolved from the Second Cairo Conference in December 1943 and Turkey's entrance into World War II on the side of the Allies in February 1945, as a result of which Turkey became a charter member of the United Nations
Edited sentence: Turkey–United States relations in the post-WW2 period evolved from the Second Cairo Conference in December 1943 and Turkey's entrance into World War II on the side of the Allies in February 1945, as a result of which Turkey became a charter member of the United Nations