Question

the ____ river is the most important river in western europe; while the ____ river is the most important river in eastern europe
thames, rhine
danube, thames
rhine, danube
rewatch

Explanation:

The Rhine River is crucial in Western Europe for its economic and transportation significance. The Danube River is vital in Eastern Europe, flowing through multiple countries and being a major waterway.

Answer:

Rhine, Danube