The Po River in Italy is densely populated, with more than 16 million people. The valley has fertile soils, flat land, a moderate climate, and a long growing season. The Po River is used as a transportation route.
What do you notice about the exploration routes to North America and the population distribution in North America?
The Trans-Siberian Railway is the world's longest railway line. The railway is 9289 km long, or about the width of Canada. It takes passengers a week to travel its length.
What effect would this railway have the Siberian population and economic growth?
Below are religious sites that have influenced settlement patterns (Jerusalem A, Mecca B, Vatican City C, and Kathmandu D)