Interesting Ideas For A Presentation - Very Urgent!

You can pick topics like:

The Nigeria of my dream

Tou can be able to say ant thing
and let ur imagination run wild
no bad roads, no unemployment, no poverty, no social discrimination, no armed robbery, and so on
u can emphasise that in the Nigeria of ur dreams water will flow, PHCH will deliver uninterrupted light, merit will overshadow ethnic and religious considerations, oppressions will be a thing of the past.

if u use power point for your presentation it may help

You can also google "The American dream" and adapt it to Nigeria
Best of luck