During project meetings, all participants are expected to O contribute to the conversation.
O listen only when it's their turn to contribute.
O keep quiet if they don't understand a point.
O help resolve conflicts between members.

The middle east had been subjected to attacks from outside the middle east in ancient, medieval, and modern times. which of the following invasions by outside forces came last in the period of written middle east history before 1300 a.d.?