I'm pretty sure it's third person omniscient
I want to help but you need to give us more information
Serious but not dark. show that you are trying hard to get your point across but not to hard. also, dont be so serious that you creep them out
Answer:
1. He meant that everyone needs to work together to develop the country to be able to face world hunger
2. The great problem is the world hunger
I hope this helps?