Although the word ‘persuade’ is important, the real focus is on how Columbus is presented as ‘barbaric’ – if you get a difficult focus word it is a good idea to think of as many other words that mean the same thing.
Tip: You can use these words in your answer as much as you like. Press the button for synonym game – write down the words which are similar to ‘barbaric’. You have one minute from when you click 'start'.