The River Thames
The river Thames is in England...the correct answer is the Rhine.
The one major river in Liechtenstein is the Rhine. It forms the western border of Liechtenstein.
The western border of Moldova is formed by the Prut river.
The Mississippi River forms the western border of Illinois.
The Uruguay River forms the western border of Uraguay with Argentina.
The Mississippi River forms the western border of Illinois.
The Mississippi River forms the wavy western border of Illinois. And the Ohio Wabash River is the southern border of Illinois.
Mississippi River
The Mississippi River.
The Uruguay River forms the western border of Uraguay with Argentina.
The Mississippi River forms the western boundary of Tennessee.
The Rio Grande river is the river that is on the western border of Texas.
The Mississippi river forms the western border of the southern colonies.