How is it reconciled that the Qur'an was revealed all at once and that it was revealed in response to events?

Question : How is it reconciled with the statement that the Qur'an is revealed in causes in response to events, and the statement that the Qur'an was revealed all at once in the lowest heaven?

Answer : Yes, this is a matter for consideration: that it was revealed in the lowest heaven. If this is established, there is no impediment to it being revealed, and Allah, Glorified and Exalted is He, speaks it when He reveals it.