Which claims on Antarctica overlap?

* Argentina: Argentina claims a sector of Antarctica that overlaps with the British and Chilean claims.

* Australia: Australia claims a sector of Antarctica that overlaps with the French and New Zealand claims.

* Chile: Chile claims a sector of Antarctica that overlaps with the Argentine and British claims.

* France: France claims a sector of Antarctica that overlaps with the Australian claim.

* New Zealand: New Zealand claims a sector of Antarctica that overlaps with the Australian and Chilean claims.

* Norway: Norway claims a small sector of Antarctica that does not overlap with any other claims.

* United Kingdom: The United Kingdom claims a sector of Antarctica that overlaps with the Argentine and Chilean claims.

* United States: The United States does not claim any territory in Antarctica but reserves the right to do so in the future.

These overlapping claims have led to disputes and tensions between the countries involved. However, there have been no major conflicts over Antarctica and all parties have agreed to abide by the Antarctic Treaty, which prohibits any military activity on the continent.