In 1807, France and Britain were enmeshed in the Napoleonic Wars that had begun in 1803.
The answer is Kennedy
Kennedy approved the backing of the South Vietnamese in their Civil War.
The Bonus Army, made up of WWl vets and their families, came marching into Washington to demand that their pensions from the war to be payed early.
The British weapons were superior because they had more advanced technology than the Americans had been exposed too.