What is the main conflict in Why Geography Matters: Three Challenges Facing America by Harm de Blij?

This is a nonfiction text, and as such, it does not include a traditional conflict. In this book, however, De Blij identifies the three major challenges facing America as being the rising power of China, climate change, and global terrorism. He also recognizes that there are many other potential challenges to the US. Using physical and cultural geography, de Blij explains the reasons for many of the planet's problems and offers solutions. Through his focused discussion of the three major threats, de Blij provides vital historical data about the geologic development of the planet, global warming, the development of the human race, the planet's soaring population, the rise and fall of significant empires, and the root and future of Islamic terrorism.