Government policies and actions are mostly to blame for the food shortage.
Answer: Option 4.
<u>Explanation:</u>
The economy of Zimbabwe is rapidly declining, is a fact about the economy of Zimbabwe and not an idea. It also tells that because of this, the trade has been reduced of this region. There is economic and political instability in the region of Zimbabwe and this all has led to the problems in the South African region also.
There is a food shortage created in the region but the reason for this is not very clear. There is an idea that it is because of the actions of the government taken but not very sure. So it is an idea and not a fact.
