As a Result of War Many of the Factories in Country

As a result of war many of the factories in country 1 are destroyed and many of its people are killed. As a result, the country's

A) production possibilities frontier (PPF) after the war has probably shifted to the right compared to its PPF prior to the war.
B) PPF after the war has probably shifted to the left compared to its PPF prior to the war.
C) PPF after the war is probably the same PPF as before the war.
D) ability to produce goods and services has increased.