From 2009 the two new members of NATO will be:

Austria and Greece
Bulgaria and Turkey
Croatia and Albania
Romania and Poland

The correct answer is (d). Romania and Poland joined NATO in 2009.

Austria and Greece joined NATO in 1955. Bulgaria and Turkey joined NATO in 1952. Croatia and Albania joined NATO in 2009.

NATO is a military alliance between 30 North American and European countries. It was founded in 1949 to counter the threat of the Soviet Union. NATO’s mission is to safeguard the freedom and security of its members through political and military means.