1. D required industries to reduce or eliminate point source pollution.
If I correctly understand your question, the first coordinate "29°N 98°W" is located in the following:
City: Falls City
Country: United States
Continent: North America
An for the second coordinate "19°N 99°W:"
City: Tlalnepantla
Country: Mexico
Continent: North America
A is the answer.
None of the world's largest cities are in Western Europe. Moscow is not in western Europe either.