Answer:
The Gallipoli campaign
Explanation:
The Allies wanted to control the Dardanelles to attack the Ottoman Empire. The Allies wished to take control of the Dardanelles Strait so that it would be open for their naval power to break through into the Sea of Marmara and threaten Constantinople.
Many countries fought in the Gallipoli campaign including Britain, Australia, New Zealand, France, and India. The Gallipoli campaign was a defeat for the Allies. It is estimated that about 27,000 French and 115,000 from British, Australia, New Zealand, and India killed.
