The Hegira or Hijrah<span> (Arabic: هِجْرَة), also romanized as Hijra and Hejira, is the migration or journey of the Islamic prophet Muhammad and his followers from Mecca to Yathrib, later renamed by him to Medina, in 622 CE.</span>
Impeding - to delay or prevent by obstructing it/them.
so your answer is B. Obstructing; slowing down.
Id say A; Government regulations because in my opinion the rest dont make sense in this situation
Because the Axis Powers could've taken longer to surrender, so the war could've lasted a lot longer. And they might have been unwilling to completely surrender at first