How is the Suez canal an example of geopolitics?

Is a river delta a compound? What is the port city on the Baltic Sea? Which country has the most temples? Why are the corners a weak point of a castle? Was the Mission San Gabriel Archangel always a mission or was it used for another purpose? Why is some water turquoise? What is the difference between a national park and a local park? Which country has 11000 lakes? What parts of a suspension bridge experience tension when a load is applied and what parts experience compression? How does ocean currents work? Is the sphinx a grouteque or a gargoyl? Which is taller empire state or Statue of Liberty? What is the safest east coast beach? Why it is called Bermuda triangle not Miami triangle? Are all cetaceans mammals? What is the biggest desert that is not in Antarctica? Who was the first person to die on Mount K2? Is the St Louis Gateway Arch a wonder of the world? Why did sir Edmund Hillary climb Mount Everest? How much of the original structure is left of mission San Juan Capistrano?