If you think about theme and understand what it is then you read the paragraph or sentence that you are reading then you will know exactly the theme of the story.
Answer: Their
Explanation:
Their = belonging to or associated with the people or things previously mentioned or easily identified.
I think the author would feel devastated
The way in which the public can be involved in nation building through sport is when they solely support the representative of their country. However, this will impede if they don’t support their own representative instead, they support others. They will not wear their country’s honor with pride.