In a clash with egyptians during the reign of king hattusili ii, the hittites ended with: large areas of egypt under their rule a peace treaty with egypt's ramses ii the first of its kind massive military losses and a loss of hittite territory sanctioning egyptian territory to the east of the nile

B. a peace treaty with Egypt's Ramses II

Explanation:

1. The Egypt and the Hittites had been battling each other since many years over the east Mediterranean region.

2. The Battle of Kadesh took place when Egypt tried to invade Kadesh, now Syria, and were interfered by the Hittites. This battle led to heavy losses, manpower and other resources, on both the sides and continued for about two centuries.

3. Following the indecisiveness in the battle over Kadesh, a treaty was signed between both the rulers. The treaty, however, did not include Kadesh.