Compare and contrast essay about the use of cannabis

Despite most countries pursuing repressive policies towards cannabis use,others,such as the netherlands and some states in the USA,adopt a more liberal approach.Comment on the liberal policy approach to cannabis in the netherlands and some states in the USA.Compare and/or contrast the effects of such policy in those countries/states with effects of the policy in the UK.

this is the title of the essay,and also in the essay should use at least 10 references from books,and make a reference list at the end of the essay .Use fully cited/referenced source material and the examples to support your answers.