In recent years, Russia has advanced its military capabilities in the Arctic, reopening old military bases that had been abandoned following the collapse of the Soviet Union in 1991, and bolstering the Russian Navy's prestigious Northern Fleet that oversees operations and defense in the region.
Answer:
The four types of evidence are physical evidence, documentary evidence, demonstrative evidence, and a testimony which is evidence given by a witness during a trial.
Explanation:
Physical evidence is a type of evidence is an actual object that can be touchable and investigated.
Documentary can be in the form of a letter, receipts, testaments and etc.
Demonstrative, photos, videos or chats can be presented as a demonstrative evidence.
Testemony. Witnesses usually deliver testemony kind of evidence.