the difficulties of combating prejudice and bigotry.
I don't think a correction is necessary. Both parts of the sentence are already in the present tense. Plus, the use of "us" in the beginning of the sentence indicates a personal attachment.
Your answer is going to be Noninative
In an essay it should only be one I'm pretty sure, but in a narrative as many as it takes to explain a lesson learned. If you were writing a book your conclusion would be whatever comes to you and whatever you feel the characters would do/say/feel.
<span>Corruption is stealing of funds that are not supposedly owned by the stealer. In most cases, it mostly happening in institutions and organizations. It is impacting on SA because the taxes that are meant to be allocated on employment projects and policies are stolen.</span>