Can you give me a sentence with the word duplicity

Most politicians use duplicity to deceive voters just long enough to get their votes.

On many occasions, she's seen the duplicity and cold manipulation he'd spoken of.

“the first decision that led to brutus’ downfall is when he decided that he would join the conspirators in their plot to kill caesar. the plot did not work. the conspirators had to flee for their very lives. the second decision that led to brutus’ downfall is when he refused to listen to cassius. “ i hope this information you.