This task is about reading the given passage and construct a question about the information present in the passage. Construct a question in such a way that (i) it is unambiguous, (ii) it is answerable from the passage, (iii) its answer is unique (iv) its answer is a continuous text span from the paragraph. Avoid creating questions that (i) can be answered correctly without actually understanding the paragraph and (ii) uses same words or phrases given in the passage.

However, since the end of the Cold War, as the North Atlantic Treaty Organization (NATO) has moved much of its defence focus "out of area", the Canadian military has also become more deeply engaged in international security operations in various other parts of the world – most notably in Afghanistan since 2002.
What Treaty is the CAF part of?