Answer:
By providing awareness campaigns to the people.
By educating the public about its importance.
By organising cleanliness programme around the public areas..
I believe the answer is: <span>self-fulfilling prophecy
</span><span>self-fulfilling prophecy refers to the prediction that indirectly become true due to the influence of believe/behavior.
</span>In the scenario above, the speaker might have to consider whether the hostile attitude that he give to the other person is actually the reason why that person behave negatively and start to cut corners.
The first answer is the right answer