Question

Maps were also in great demand during times of war as armies and Air forces needed them. Thus map
making received great impetus during the two world wars. Many governments tried to keep these detailed
maps secret so that enemies could not use them.

Answer 1

Explanation:

Maps, too, played a role. Recent cartographic innovations allowed artillery gunners to fire at targets they couldn't directly see and aim their guns without first firing “ranging shots” that would ruin the element of surprise

Answer 2

Answer:

Maps where also important to armies and the air forces so that they could locate the enemy territory,suply medicine or food etc to the armies. So the maps got a great demand during wars.But the government decided to keep these detailed map a secret so the enemies won't find out and cannot use them.