The correct answer is D) freedom of trade between Europeans and Muslims.
The condition of the peace treaty was freedom of trade between Europeans and Muslims.
We are referring to the Treaty of Ramla. It was signed in 1192 by Richard the Lion Heart and Saladin. The treaty ended the hostilities of the Battle of Arsuf. One of the terms was that Muslims would still control Jerusalem but they would allow Christians to visit the city for pilgrimages.
The other options of the question were A) increased land sales to Christians, B) increased tributes paid to Saladin and the Muslims and C) Christian occupation of Jerusalem.
