Multiple choice general knowledge culture Non Verbal communication as per US culture Sitting postures are often relaxed but do not prop your feet up on a chair. Index finger waving is common though need not be emulated The backslap is often used in friendship. All of the above Reveal answer Fill a bubble to check yourself D Correct answer Explanation American non-verbal communication features relaxed sitting postures within reason, frequent index finger gestures for emphasis, and backslapping as a sign of friendship. All three behaviors accurately characterize American body language norms.