Arrange the following historical events related to the Vajjika Confederacy and its relations with neighboring kingdoms in the correct chronological order (from earliest to latest): 1. Bimbisara establishes a matrimonial alliance with the Lichchhavis by marrying Chellana, the daughter of Chetaka. 2. Gautama Buddha delivers the 'Seven Conditions of Welfare' (Satta Aparihaniya Dhamma) to the Vajjian assembly's representatives. 3. Vassakara, the chief minister of Ajatashatru, successfully sows seeds of dissension among the Lichchhavi chiefs. 4. The complete military annexation of Vaishali into the Magadhan Empire by Ajatashatru. Select the correct answer using the code given below:

Options:

• A: 1-2-4-3
• B: 2-1-3-4
• C: 1-2-3-4
• D: 3-4-2-1

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