Anglo-Ottoman Convention of 1913 have to accept Ottoman suzerainty, and in return, the northern islands of Warba and Bubiyan must be allocated to Kuwait, and so forth. The waning influence of Istanbul in the Gulf forced it to make concessions without much to gain in return. The Ottoman Empire had faced a number of setbacks in the last few decades—a few of its provinces achieved independence, some were annexed by other countries, or many lost in conflict—and for internal political reasons it may have seemed important to maintain Kuwait as part of the empire, even if only symbolically. The Ottomans also felt that making
Rise of the Ottoman Empire large Ottoman fleet attacked Salonika by surprise. The Venetians signed a peace treaty in 1432. The treaty gave the Ottomans the city of Salonika and the surrounding land. The war between Serbia and Hungary and the Ottoman Empire had come to a standstill in 1441 when the Holy Roman Empire, Poland, Albania, and the Jandarid and Karamanid emirates (in violation of the peace treaty) intervened against the Ottomans. Niš and Sofia fell to the Christians in 1443 and the year after the Empire suffered a major defeat in the Battle of Jalowaz. July 12, 1444 Murad signed a treaty that