“Who gave him the 'authority' to do this?” “He didn't do it 'on his own authority' [=he didn't do it on his own]; he was acting 'under the authority of' the company president.” [=the company president gave him the power to do it]
No one 'in authority' objected to the plan. = No one 'in a position of authority' objected to the plan. [=no one with official power to make important decisions objected to the plan]
This office has 'authority' over personnel matters. [=this office has the power to make decisions about personnel matters]
(..) you won't win. Time to change. Defend poor people hit by the recession. People are afraid of globalization and Europe. They want authority, but protection too. They're the answer. Blue and white collar. Working-class voters. The election is their call. (..)2016 Me Before You