NATO-
**It is a military alliance established by the North Atlantic Treaty (also called the Washington Treaty) on 4 April 1949 by the United States, Canada, and several Western European nations.
**It is formed to provide collective security against the Soviet Union.
**NATO's fundamental Goal is to Safeguard the Allies' freedom and security by political and military means.
**NATO remains the principal security instrument of the transatlantic community and expression of its common democratic values.
**The full form of NATO is The North Atlantic Treaty Organisation and also called the North Atlantic Alliance.
**It is an intergovernmental military alliance between 30 countries. Among these 30 countries, 28 countries are European and the other 2 countries are North American.
**Its Headquarters is located in Brussels,Belgium.
**NATO was the first peacetime military alliance the United States entered into outside of the Western Hemisphere.
**NATO is considered the most powerful alliance in the whole World, but NATO does not have its own Armed forces although it has a permanent unified military command structure by which civilians and the military of all member states work together.
**NATO's official language is English and French.
NATO COUNTRIES LIST(2022)-
1. CANADA(1949)
2. CROATIA(2009)
3. FRANCE(1949)
4. GERMANY(1955)
5. GREECE(1952)
6. HUNGARY(1999)
7. CZECH REPUBLIC(1999)
8. DENMARK(1949)
9. ESTONIA(2004)
10. ALBANIA(2009)
11. BELGIUM(1949)
12. BULGARIA(2004)
13. ICELAND(1949)
14. LUXEMBOURG(1949)
15. MONTENEGRO(2017)
16. NETHERLANDS(1949)
17. ITALY(1949)
18. LATVIA(2004)
19. LITHUANIA(2004)
20. NORTH MACEDONIA(2020)
21. NORWAY(1949)
22. POLAND(1999)
23. SLOVAKIA(2004)
24. PORTUGAL(1949)
25. ROMANIA(2004)
26. UNITED STATES(1949)
27. SLOVENIA(2004)
28. SPAIN(1982)
29. TURKEY(1952)
30.UNITED KINGDOM(1949)