Why would Russia's coast often be unusable for ships?

likely due to icebergs

Explanation:

russia's coast is close to the pole therefore there is a higher likelihood of icebergs due to frigid temperatures

the communist manifesto is an 1848 political pamphlet by the german near the end of the manifesto, the authors call for a "forcible overthrow of all existing social conditions",  ..

d. protection of an individual’s rights regardless of sex

b. acknowledgment of an individual’s rights regardless of sex

c. inclusion of individuals in the us congress regardless of sex