أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
Cultural
I do believe the correct answer is "D" i.e. Cultural.
D. Cultural barrier.
Some behaviors and actions are acceptable in certain parts are considered rude and unacceptable in certain other parts, within the country as also internationally mainly due to cultural difference and traditional practices followed up.