Acting as an adviser to james madison, what suggestion did jefferson give regarding the war of 1812?
a professional army should take the place of the citizen militia.
canada could be easily conquered by the united states.
the united states should build up its navy to fight the british.
the united states should blockade the british coast.

Explanation:

Madison was chosen as Jefferson's successor by Republicans in Congress and won the race of 1808 effectively. As Jefferson's Secretary of State and nearest counsel, Madison's progress to the higher office was basically consistent, yet he acquired a large portion of similar issues with which Jefferson had been managing.  

Thomas Jefferson had disclosed to President Madison that the American "acquisition of Canada" was just a "matter of marching" north with a military force.

can you post options?