Arrange the following historical events related to the Delhi Sultanate's expansion into Bihar and Bengal in chronological order: 1. Invasion of Bihar by Bakhtiyar Khalji 2. Iltutmish's campaign against Ghiyasuddin Iwaj Khalji 3. Appointment of Malik Jani as the governor of Bihar 4. Prince Nasiruddin Mahmud's capture of Lakhnauti Select the correct code:

Options:

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

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