Question

Why did they Britishers annexed Sindh?

Answer 1

But they abandoned it in 1792. In 1809, during the times of Lord Minto, an embassy was sent to these Amirs which resulted in the “Treaty of Eternal friendship” of 1809. Once becoming the friends of English, the Amirs stopped allowing French to the Ports of Sind. ... Whole of Sind was annexed to British Empire in 1843.