And Why Did The British Terminate the Mandate Over Palestine?

Let's go to the official documantation.

There was a last White Paper:

and it said:

"insufficient to maintain law and order..."

"in the face of a campaign of terrorism..."

"highly organised Jewish forces..."

"cost the British taxpayer 100 million pounds sterling..."

"against the declared wishes of the majority of inhabitants..."

"...could no longer be justified..."

"in these circumstances...bring to an end..."