* Territory acquisition: Annexation allowed countries to acquire new territory and expand their borders. This could be for a variety of reasons, such as increasing the country's land area, gaining access to natural resources, or strengthening the country's strategic position.
* Resource acquisition: Annexation could also be used to acquire resources that were not found in the annexing country. This could include minerals, agricultural land, or access to water.
* Expansion of markets: Annexation could also increase the annexing country's trading opportunities and access new markets for its goods. This could help the country's economy and further increase its economic prosperity.
* Security and defense: Annexation could also be used to strengthen the annexing country's security and defense capabilities. This could be done by acquiring new territory that could be used for military purposes, such as ports or strategic mountain passes.
* Power and prestige: Annexation could also be used to increase the annexing country's power and prestige in the world. This could be done by showcasing the country's military strength and diplomatic expertise, or by acquiring land that was important for historical or cultural reasons.
These are just some of the reasons why annexation has been important throughout history. Annexation has allowed countries to expand their territory, acquire resources, expand their markets, strengthen their security and defense capabilities, and increase their power and prestige.