China, Hong Kong, Vietnam and many other small countries
Answer:
Trench Warfare was portrayed by miles of equal tranches where restricting troopers would fight. Day to day environments were ruthless, and if fighters didn't kick the bucket of adversary fire, they typically bites the dust of hunger.
World War I promoted the utilization of the automatic rifle—equipped for cutting down many columns of fighters from a separation on the war zone. This weapon, alongside spiked metal and mines, made development across open land both troublesome and perilous. Along these lines channel fighting was conceived
Depending somewhat on the time-period in question, it was the "military" who often wielded a large amount of power and control, since they restricted many individual liberties.
I believe the answer is A :3
A reason could be that trading food wasn’t that popular at the time seeing that you only needed to grow food for your family