The term 'Capital Beaver State' is a reference to the state of Oregon, which is nicknamed the Beaver State. The crossword solutions for this term are SALEM (5 letters), OREGON (6 letters), EAGER (5 letters), and RIGA (4 letters). Salem is the capital of Oregon, and it is also the second-largest city in the state. Oregon is the only state in the United States with the word 'oregon' in its name. EAGER is an adjective that means enthusiastic or keen, and it is often used to describe the people of Oregon. Riga is the capital of Latvia, which is located in Northern Europe.