Urbinization is basically citys and buildings which means more people and more money . I hope that answerd your question
For example, other countries that wanted higher control of various regions started investing in other aspects of warfare such as aircraft building which was not covered in the conference. Japan for example started annexing territory in order to ensure greater control over the Pacific region which was also not forbidden by the conference.
The answer should be the first given “These weapons of mads destruction are capable of killing thousands of people in one attack.”
