OVER

(CONTROL) [preposition] - (used when describing who or what is more powerful) in control of or instructing (someone or something)A good teacher has an easy authority over a class.She's a sales manager but she has a regional sales director over (= with a higher rank than) her.Her husband always did have a lot of influence over her.The victory over the French at Waterloo was Wellington's greatest triumph.As Treasurer, she has control over how much money is spent and on what.