Some rivers and seaports in Russia can freeze for six to nine months out of the year. Predict how this could affect trade and travel in Russia and how Russians may try to overcome this obstacle. pls help me!! ☀︎︎

The incident command system (ics) is: a. most applicable to the management of complex incidents that extend over many hours or days. b. a military system used in domestic incidents to ensure command and control of federal resources. c. a standardized management tool for meeting the demands of small or large emergency or nonemergency situations. d. a relatively new approach created based on the lessons learned from hurricane harvey disaster operations.