Question

Why did British drained our wealth!!????

Answer 1

britain was a poor country 
to obtain taxes
to develop their country
they were interested in wealth and minerals

Answer 2

Answer:

drain is the primary vessel or conduit for unwanted water or waste liquids to be flumed away, either to a more useful area, funnelled into a receptacle, or run into sewers or stormwater mains as waste discharge to be released or processed.