Question

Which river is an international waterway that gives some landlocked countries of europe access to the black sea?

Answer 1

The answer is the Danube River.

Answer 2

Landlocked country is a country or sovereign state whose coastlines lie on the closed sea or entirely enclosed by land.

There are only 49 countries which come under the category.

The international waterway of Danube gives secure access of the Black Sea to landlocked countries of Europe like Hungary or Slovakia.