What type of challenges does the Block obstacle effect specifically address?

The Block obstacle effect is designed to prevent attackers from advancing. In military strategy and operations, blockades or barriers serve a critical purpose in shaping the battlefield. By impeding the movement of enemy forces, the Block obstacle creates a physical barrier that can thwart assaults, delay enemy plans, and allow defensive forces to regroup, fortify their positions, or prepare countermeasures.

This type of obstacle can contribute to maintaining control over a given area, effectively zoning off sections of the battlefield that the defending force wants to protect. It is a tactical tool used to ensure that the enemy cannot easily penetrate defenses, thus maintaining strategic advantages.

In contrast, the other options relate to different tactical considerations not directly addressed by Block obstacles. Disordering enemy hits, assembling forces for a counteroffensive, and dispersing enemy formations involve more nuanced tactics that may employ other types of maneuvers or strategies, rather than focusing on the straightforward benefit of obstructing direct advancement, which is the primary function of Block obstacles.