That everything links together in history
Improvements in Navigational Devices such as Maps and Instruments such as the compass and Astrolabe as well as significant improvements in Ship-making increased European Exploration.
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.