Baroness Warsi resigned from the government because she wants to be able to live with herself and she could not in good conscience support the government's policy on Gaza.
Speaking to the Radio 4's Today programme she said: "My departure clearly says says that governments policy on Gaza is morally indefensible. My departure clearly says that it is a policy that I could no longer support and put my name to..
The Conservative peer added: "Long after politics has come and gone I want to be able to live with myself and by resigning and stepping down I can live with myself."
More top news
Mr Kim has made two recent visits to China.
The study looked at the development of 422 children over the course of eight years.
The president said they will come into force if China refuses to change its practices.