Which of the following best explains why the Port of Singapore is the world's second largest container port? Question 1 options: a) The Port of Singapore serves as a consolidation center for many shipments leaving Japan for the United States and Europe. b) The country of Singapore manufactures and exports a wide variety of products to Europe and the United States. c) The Port of Singapore serves as a consolidation center for many shipments leaving China for the United States and Europe. d) The Port of Singapore serves as a consolidation center for many shipments leaving south Asian countries (e.g., Malaysia, Indonesia) for the United States and Europe