Which of the following describes the simplest fighting position?

The simplest fighting position is hasty individual positions. These are quickly established areas that allow a soldier to take cover and engage the enemy effectively with minimal preparation. Hasty positions are typically dug into the ground or formed using available materials to provide immediate protection and a stable platform for firing weapons. They require less time and resources to create compared to other types of defensive positions.

In contrast, fortified bunkers involve more extensive construction efforts, allowing for greater protection and stronger defensive capabilities, but they require significant time and materials to build. Interlocking fields of fire refer to a tactical arrangement of weapons positions to ensure mutual support; while essential for broader defensive strategies, it is not the simplest position for an individual fighter. Trench systems are more complex and permanent than hasty positions, designed for sustained combat over time with systematic layouts. Therefore, the hasty individual positions stand out as the quickest and most straightforward means of establishing a fighting stance in a combat situation.