Victory required the development of terrifying weapons.
This was the heyday of the UK nuclear programme, which required the development of new materials for the early reactors.
Their creation required the development of an entirely different understanding of religion, one that was unique to the modern west.
But even that would have required the development of a third stage to get into space.
The negotiations with the Palestinians required the development of trust; the negotiations with the Syrians were built on the absence of trust.
Prehistoric works of flood defense and irrigation demanded firm community structures and required the development of engineering practice.
Other factors were also required: the development of a regular revenue source to provide funds for repayment of loans, a monetary system, and an organized money market.
He embraced the 17th-century statesman and natural philosopher Francis Bacon's argument that social progress required the development of a science-based commerce.
Evolution of metabolic processes in primitive forms of life required the development of enzyme systems to catalyze the complex sequences of chemical reactions involved in metabolism.
In the end, bringing the project to fruition required the development of a really clear, compelling vision that aligned with the longer-term needs of the business and our operating principles, and with clear benefits for our external stakeholders.
That required the development of a seat tube with a flat side to accommodate the battery.
