Answer
**Over 40 rebellions marked the reign of Abdur Rahman Khan, a testament to the formidable challenges he faced in consolidating his power.** These uprisings stemmed from various factors, including tribal conflicts, regional rivalries, and resistance to his modernization efforts. Despite these obstacles, Abdur Rahman Khan's strategic acumen and unwavering determination enabled him to quell these rebellions and establish a stable foundation for Afghanistan's future development.