Why did the British government create the independent nation of Transjordan in 1921

Transjordan's formal independence from the UK was agreed in a treaty signed on 22 March 1946 that also provided for 'perpetual peace and friendship' between the two, while providing for continued British support for the Arab Legion and access to military facilities.

where is the section with the question?

a. theta waves. this is because the person is in a light sleep which means the brain waves would show these kind of waves.