Other unpopular reforms included restructuring the monetary system and establishing agencies to control exports.
In November 2011, Privacy International wrote to Cameron asking what the government was doing to control exports of these dangerous technologies from the UK.
Just before Mr. Armitage's visit on Monday, China met a longtime American demand, issuing rules to control export of missile technologies.
But an efficient global market needs strictures against unilateral barriers to exports as much as imports, and the WTO's current rules do little to control export restrictions.
The ban is to continue until the Sierra Leone government establishes a certification system for controlling exports.
If Canadian prices fall below a threshold determined through a complex formula, Canadian provinces will have to impose export controls, export taxes or a combination of the two.
The total value of controlled export licences to Israel – which can be for commercial or military use – was around £8bn last year.
One is altering rules in the Nuclear Suppliers Group, a consortium of more than 40 countries that controls export of nuclear technology.
The government "controls exports of sensitive equipment, software and technology as a means to promote our national security interests and foreign policy objectives," the State Department's website explains.
The remainder was meant for malaria control and was exported.
