What is annexation definition?

Annexation refers to the process of incorporating a territory into an existing political entity such as a country, state or municipality. Annexation can be voluntary, where the territory being annexed chooses to become a part of the entity, or it can be involuntary, where the entity forcefully acquires the territory. Annexation can be done for various reasons, including economic expansion, political control or to gain access to strategic resources. Annexation can be a controversial topic as it can result in conflicts over sovereignty, cultural differences and boundary disputes.