In the following sentence, some parts have errors and some are correct. Find out which part has an error and mark it as your answer. If there is no error, mark ‘No error’ as your answer.

Populist politics among the world has (A)/ sought to privilege national sovereignty (B)/ over universal values and commitments, (C)/ slacking off efforts to tackle critical challenges that are transnational. (D)/ No error (E)