What system of law is common law based on? Rulings by judges in previous cases, the practices of the poor people, what the king accepted as the common standard, laws enacted by the parliament each year

The image below is a poster from world war i: image of poster that shows a hun soldier climbing out of the water. the following message is on the poster, beat back the hun with liberty bonds. public domain what was the main purpose of this poster? to create public distrust of germans to encourage young men to enlist in the army to demonstrate the reason for entering the war to generate financial support for the war effort