ANSWER
This is a summary of the control of the Middle East after World War 1.
Independent States
Turkey, the successor state to the Ottoman Empire was an independent republic.
Arabia remained independent.
British Rule
Mesopotamia (Iraq) [ Comprising of Mosul in the north (known as Kurdistan), Basra in the south, and Baghdad in the middle] were united as one country under British colonial rule.
Palestine was put under British Rule.
In Persia, since Russia had problems of its own (namely, civil war), Britain became the dominant force.
French Rule
Lebanon was created as a state separate from Syria put under French rule