Option 1: NATO is a collective defence organization in Europe.

This statement is incorrect. NATO, the North Atlantic Treaty Organization, is not limited to Europe alone. While it was initially formed to protect Western Europe from the Soviet Union during the Cold War, it has expanded its partnerships and global reach over the years. NATO`s member countries include those in North America (such as the United States and Canada) as well as those in Europe. In fact, NATO has even developed partnerships with countries outside of its member states in order to promote security and cooperation.

Option 2: The US is an ex officio member of NATO.

This statement is correct. The United States is an ex officio member of NATO, meaning that it is a permanent member and plays a central role in the organization. As one of the founding countries of NATO, the US has a significant influence in shaping its policies and decisions.

Option 3: Turkey is a member of NATO.

This statement is correct. Turkey became a member of NATO in 1952 and has been an active participant in the organization`s activities since then. As a strategically important country located at the crossroads of Europe and Asia, Turkey`s membership strengthens NATO`s presence and capabilities in the region.

Option 4: NATO has