Which government provided Fulton with his earliest and most substantial patronage for his submarine concept?

Answer

The French government.

Fulton initially sought and received patronage from France during the Revolutionary and Napoleonic periods, hoping the vessel could help them subdue the British Navy.

Which government provided Fulton with his earliest and most substantial patronage for his submarine concept?

#Videos

Robert Fulton: Submarines, Mines, and Torpedoes - YouTube

inventioninventorwarfaresubmarineRobert Fulton