It was a great improvement, however it lacked waterproofing. However, he initially lacked the means to conduct sieges. It lacked royal approval, however. However, Thebes lacked sufficient manpower and resources, and became overstretched. The military garrisons usually lacked defensible walls but were seldom attacked. These, however, lacked the sensitivity to detect weak signals. However, the theory lacked staying power. They also lacked nonverbal communication skills and were physically clumsy. However, the artillery regiments lacked ammunition. However, Amursana's followers lacked unity. However, the local forces lacked rifles. However, the bill lacked provisions for enforcement. The Tasmanians, however, lacked the lethal pathogens to defeat their invaders. However, these meetings lacked popular support. But his spring campaign lacked major successes.