Which example from the text develops the idea that transportation of materials for the pyramids was critical for construction of the pyramids? "Once the plans were made, the supply chain created, and the workforce assembled, the construction of the pyramids began." "Cutting, hauling, and stacking the stones that the pyramids were made from took a lot of strength and energy." "Stones were gathered from many areas and shipped by boat to a port near the construction site." "He and his team found over 100 anchors and thirty giant caves built into the mountain that were used for storing Egyptian boats."