Which was not a major cause of russian weakness in the mid-1800s? a. autocratic rule b. the lack of single seaport c. serfdom d. defeat in the crimean war

Because of the options you give, I know that we did the same test. Anyway, the Crimean war wasn't a major cause but because of Autocratic rule. I am 80% sure its that one, since they've had a history in that stuff.

Millatary capacity build was higher level