What physical geographic features have aided the development of the United States?
The physical geographic features that have helped the development of the U.S. are plains, lake, the ocean coasts, and rivers. The plains supported agriculture, the lake, oceans and rivers also supported farming, but also trading and transportation.
What physical geographic features have aided the development of Vietnam?
Mostly the plains and it's location with the river supported greatly in the field of agriculture. Farming was very important to Vietnam and is it still today. Rural areas in Vietnam today still make the most income out of agriculture. The Mekong Delta also play a great role in farming at Vietnam.