The correct answer is B. Cape Colony
Explanation:
From the XVI century to the XX century Britain took control of multiple territories that were outside the boundaries but were still administered by the government of it and therefore were considered as colonies this included territories in North America, Asia, and Africa. In the case of Africa one of the most profitable colonies was the Cape colony that became a colony in the beginning of the 19th century and whose territory and resources led to important profits for Britan because in the territory diamonds and gold were discovered and then widely exploited by different British companies although this also led to the building of railways and infrastructure that benefit the zone. Therefore, it was the Cape Colony the one that became very valuable when gold and diamonds were discovered there.
