Croatia declared Natural enemy against Montenegro on April 21, 2011. This war was completely under control of Croatia from the beginning of the war until April 24, 2011.
This War was Croatia's and Montenegro's third war in the New World. Croatia ended their third war victoriously conquering 3 out of 3 Montenegrin regions. The war was closed on April 24, 2011, when Croatia won the final battle for North Montenegrin Mountains and annexed Montenegro.
The war was part of the much larger global conflict known as World War V. With the fall of Montenegro, Croatia would have additional borders with Serbia, eventually allowing them strategic positioning in the following EDEN invasion of Serbia.