Ph\u1ea7n 2 – Ch\u01b0\u01a1ng 4 – B\u00e0i 21: X\u00e2y d\u1ef1ng Ch\u1ee7 ngh\u0129a X\u00e3 h\u1ed9i \u1edf mi\u1ec1n B\u1eafc – \u0110\u1ea5u tranh ch\u1ed1ng \u0110\u1ebf qu\u1ed1c M\u0129 v\u00e0 ch\u00ednh quy\u1ec1n S\u00e0i G\u00f2n \u1edf mi\u1ec1n Nam (1954-1965) (ph\u1ea7n 3)<\/a><\/blockquote>