Which explains why many species of fish have been eliminated in Washington?

a:Disease has prevented migratory fish from spawning.
b:Damshave kept migratory fish from swimming upstream.
c: Commercial fisherman have overfished the state’s waterways.
D:Fish farms have had little success raising fish.

option d is correct. corroborated sources of historical evidence   is necessary to validate a claim about an event in history.

historians tend to use written sources, but audio and visual materials as well as artifacts are important objects that supply information to modern historians.

historical sources are usually divided into two categories: primary and secondary sources. depending on the historian's intent, some sources shift their designation. determining what type of sources toimplement, and the level of credibility and reliability of those sources, is a significant step in critical thinking for the historian.

explanation:

explanation:

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where are the options?

explanation:

answer: a video that encourages an armed attack on the government.

explanation: it is a violent overthrow to the government.

hope this : )