Large land area
Country, state, parish, city
Parish, state, city, country
State, country, city, parish
City, parish, state, country
Bridge a river.
Make clean water
The population patterns in Asia and Europe are alike
There are many overpopulated islands in the Pacific Ocean
The population of South America is evenly spread across the continent
The eastern half of the United States has more people than the western half
Sierra Nevada Mountains
Here's an interesting quiz for you.