Answer:
The Crimean war is the correct answer.
Step-by-step explanation:
The Crimean war is the correct answer. It was fought between Russian on one side and the France, UK, Kingdom of Sardinia and Ottoman empire on the other side. Most of the fighting happened in the western turkey and around the Baltic Sea. This war is also called as first modern war. As the Ottoman Empire started to decline from mid 1800s the European countries wanted to have lands of Ottoman empire. The war started over the issue of protection of Holy Land.