| SEATO | Anti-Communist alliance founded in 1954 including Australia, Britain, France, Pakistan, the Philippines, Thailand, New Zealand, and the United States |
| Façade | False front, usually for a building |
| Coalition | Alliance, joining together |
| Agrarian | Land, farming |
| Nationalism | Movement of a nation of people to rule themselves |
| Adjacent | Next to |
| Bloc | Group of allied countries |
| Infiltration | Moving in to an area secretly |
| Arresting | stopping |
| Contemplate | Think about |
| Elapse | Go by |
| Deterred | Put off |
| Pledge | Promise |
| Hitherto | This far |
| Vietnamisation | building up and supporting South Vietnam forces to resist the Viet Cong |
| Stalemate | Situation where neither side can win |
| Chemical weapons | Weapons like gas and poison to kill trees and leaves |
| Defoliant | Chemical sprayed (usually from planes) to kill plant growth which Viet Cong used as cover |
| Mediation | Helping two sides to discuss differences |
| Deplore | Strongly criticise or disapprove |
| Impolitic | A bad idea (in terms of politics) |
| Negotiations | Talks |
| Overtly | Openly |
| Hostilities | Fighting |
| Morale | Confidence, fighting spirit |
| Materiel | Equipment |
| Theatre | Military term meaning an area where fighting happened |
| Attrition | losses |