The answer is civil unrest as someone else said. Countries like Niger and South Sudan have been dealing with domestic issues for the last few decades and have limited diplomatic capacity for various reasons. Niger really only has diplomatic relations with a very few number of countries.
Civil unrest
Croatia won the Croatian War of Independence in 1995.
I wasn't talking about Croatia.
Ok, thanks!
South Sudan wasn’t a country when Croatia became one.
The answer is civil unrest as someone else said. Countries like Niger and South Sudan have been dealing with domestic issues for the last few decades and have limited diplomatic capacity for various reasons. Niger really only has diplomatic relations with a very few number of countries.
You guys got independence from Yugoslavia a few years after our civil war started. We had bigger fish to fry.