Some islands were claimed because of :
1. Exploration and discovery: Many islands were claimed by countries through the process of exploration and discovery. Explorers, such as Christopher Columbus, claimed islands they came across during their voyages on behalf of their home countries.
2. Colonial rule: During the era of colonialism, European powers established colonies in various parts of the world, including islands. These colonies were claimed and ruled by the colonial powers, which allowed them to control resources and expand their territories.
3. Strategic and military purposes: Islands located in strategic locations, such as those along key trade routes or near important military bases, were claimed for their strategic value. These islands provided access and control over important maritime routes and acted as military outposts.
4. Natural resources: Islands that had valuable natural resources, such as minerals, oil, and fertile land, were claimed by countries interested in exploiting these resources for economic gain. This often involved establishing control and ownership over the islands.
5. Territorial disputes: Some islands were claimed due to ongoing territorial disputes between countries. These disputes could be historical, cultural, or geopolitical in nature, and the claiming of islands in such cases was a way for countries to establish their sovereignty and control over specific territories.
It is important to note that the claiming of islands has been a source of conflicts and disputes between countries throughout history. These disputes are often resolved through negotiations, international law, or, in some cases, through military action.