In 1757, Robert Clive had raised the 1st Regiment of the Bengal Native Infantry of which two companies were grenadier companies, however, no regiments of grenadiers were formed from the Bengal Army until a battalion was formed in 1779.
By now British sentiment was in favoured of amalgamating their own colonies and the Boer republics into one union, with the primary purpose of gaining possession of the Transvaal gold mines. The Premier of the Cape Colony, Sir Cecil Rhodes, first tried to achieve this union through a putsch that failed due to wariness on the part of Paul Kruger, President of the Boer Republic.
Confidence votes 42. the purpose of the blockade was to stop the Germans from gaining furthure suppiles of weapons and food. Since all the strong fit man in Germany had gone to war leaving the weak to do everyday work. Germany was a large import/exporter at the start of the war, on a par with Britain. Although Germany imported massive amounts of Wheat before the war, but it's now no longer possible since Russia became enemies of Germany.