Ascendancy refers to a position of dominance or control over others. It often describes a situation where one group, individual, or idea gains influence and power, leading to a shift in social, political, or economic dynamics. This concept can be observed in various contexts, such as political regimes, social movements, or business competition. In historical contexts, ascendancy can signify the rise of a particular nation or empire, such as the British Empire during the 19th century. The term is also relevant in discussions about leadership and authority, where individuals or groups may seek to establish their superiority in a given field or community.