Question

what made crossing no - mans - land so deadly? *
a. heavy forests and rivers
b. mines, barbed wire, and artillery fire
c. lack of oxygen
d. chemical leaks

Explanation:

No - man's - land during wars (especially World War I) was an area between the opposing trenches. It was filled with mines (to prevent enemy advances), barbed wire (to impede movement), and was under constant artillery fire (as both sides tried to target the enemy in that area). Heavy forests and rivers (Option A) were not typical features of no - man's - land. Lack of oxygen (Option C) was not a factor. Chemical leaks (Option D) were more related to specific chemical warfare incidents rather than the general deadliness of crossing no - man's - land.

Answer:

B. Mines, barbed wire, and artillery fire