Question

What is one example of trench warfare?

Answer 1

B. because a trench warfare is where troops are protected from the enemys fire and defend their place.

Answer 2

The correct answer is B.

In trench warfare, each of confronted armies DIGS a long haul in the field that will be used to protect its troops and the territory located behind, that pertains to such army.

The most important example of usage of this system in practice was experienced in the Western Front during WWI.