All this is extremely vague.
What is NSW?
Have you been taught about cause and effect?
Have you been taught how to explain reasons or processes?
Here are some websites that may help, but feel free to post again with some more specific questions.
Various types of business writing:
Cause and effect:
Process (explaining how):
Explaining why (thesis/support):
explain how internal and external influences may impact on business opportunities in NSW.
it's a business assessment