Original: In addition to the United States, the United Kingdom, Poland, South Korea, and Italy did not sponsor the resolution, although the four nations voted in support of Boutros-Ghali after the US had firmly declared its intention to veto.
Simplified: In addition to the United States, the United Kingdom, Poland, South Korea, and Italy did not sponsor this resolution, although all four of those nations voted in support of Boutros-Ghali after the US had firmly declared its intention to veto.