Both interstate 85 in 75 only connected several area in united states, it does not really connect united states with london. This leave us with port of Savannah and hartsfield-jackson international airport.
There are several companies that provide services for car transport through sea and air, but the price for the transport via air would be significantly higher compared to the sea route. This means that the port would be the most help for Daryl.
Mr.Cormwell was one of the people who pushed for the execution of their king for the act of treason and according to him it was a cruela neccessity because although it is a harsh fate for their king but inorder for their country to make progress it is necessary that their king dies therefore he describes it as a cruel neccessity as it is cruel for the king but it is necessary for their country to survive.