What are the three recognized forms of defense in military strategy?

The three recognized forms of defense in military strategy focus on the specific concepts that provide effective ways to counter an enemy offensive while maintaining the integrity of one's own positions. The correct answer identifies Defense of Linear Obstacle, Perimeter Defense, and Reverse Slope Defense, which are all widely recognized and taught within military doctrines.

1. Defense of Linear Obstacle involves using natural or man-made features in the terrain, such as rivers or roads, to strengthen a defensive position. This form exploits the terrain to funnel enemy forces into predefined killing zones, making it easier to defend against them.

2. Perimeter Defense focuses on establishing a strong outer defense to protect key assets or positions. This strategy typically involves securing the outermost areas first, creating a barrier against enemy ingress while ensuring that the interior of the position is also well-defended.

3. Reverse Slope Defense is a tactic wherein forces are positioned on the slopes of a hill, allowing for an advantageous defensive perspective. By staying behind the crest of the hill, these forces can effectively conceal their numbers and fortifications from the enemy while using elevation to their advantage.

These forms collectively encompass a variety of strategic elements tailored for effective defense, emphasizing the importance of terrain and positioning in military