Use appropriate preposition in the following passage The new manager implemented strict guidelines and thus exerted his authority (a)_____ the team. Although some employee initially resented his approach, they soon realized that his leadership style was beneficial (b) _____ overall success. Despite their previous antipathy (c)_____ him, they began to appreciate his expertise and dedication. The manager, on the other hand, remained blind (d) _____ initial resistance. He focused solely on achieving the company's goal. He was here (e) _____ personal vendettas and solely concerned with driving the team towards excellence.