The Alps are the highest and most extensive mountain range system that lies entirely in Europe, stretching approximately 1,200 kilometres across eight Alpine countries: Austria, France, Germany, and Italy.
It was 1/2 of the united states total land.
B:
Agriculture, water projects, shipyards all offered steady work to people driven out of the plains states.
The answer is A
Explain: it’s really the only one that makes sense in this question
