Territorial expansion refers to the process by which a country increases its land area, often through acquisition, colonization, or military conquest. This can involve taking over neighboring regions or territories, leading to the growth of a nation’s borders. Historical examples include the Louisiana Purchase in the United States and the expansion of the Roman Empire. Such expansion can have significant political, economic, and social impacts. It often leads to the integration of diverse cultures and resources, but can also result in conflicts and tensions with indigenous populations or neighboring countries. The motivations behind territorial expansion can include the desire for more land, resources, or strategic advantages.