Sentence:  This trade was subject to a tariff of 7.5 per cent after February 1835 , but much was smuggled into Assiniboia with the result that the duty was reduced by 1841 to 4 per cent on the initiative of the <WSD>London</WSD> committee . 
Meaning of the word marked with <WSD> tags:  the capital and largest city of England; located on the Thames in southeastern England; financial and industrial and cultural center