Schools in England are being reminded to teach sensitive issues in a non-biased way, under new guidance.
It aims to help teachers cover complex topics, such as the history of the British Empire or the Israeli-Palestinian conflict, without pushing one political view over another.
There is also a warning against teachers expressing their own views.
Education Secretary Nadhim Zahawi says no subject should be off limits, but teaching must be impartial.
Read the full article on the BBC here.