The phrase "to supervise the elections" means to oversee or manage the process of voting, ensuring that it is conducted fairly, accurately, and without any interference or biases. Full definition
He further maintained that it is the same EC which supervised the elections of J. J. Rawlings and J. A. Kufuor to buttress on the need for all to leave the EC alone to work. (ghanapoliticsonline.com)
«When those who are to supervise an election take over the process and turn themselves to interested parties rather than rise above board, then we breed nothing other than chaos, pandemonium, mayhem, confusion and disorganisation of the whole process. (nigeriapoliticsonline.com)
It demanded an end to all violence, called for a Syrian - led political process to allow the Syrians to determine their future, and set out a path to a national unity Government and internationally supervised elections. (conservativehome.blogs.com)