Because you are still listing events that happened.
True, in order to make their mercantilist economy succeed Britain needed to import raw materials from its colonies
Much like her male counterpart, a queen is, like a king, a ruler of an independent state or nation. Moreover, the same rule that is used for kings is applied here as well, the rule stating that this position is hereditary, meaning that one can become a queen by right of birth. So, to sum up, a Queen is a female ruler of a country.