Most of them couldn't afford to pay the tax.
Answer:
During the war, the United States was supplying goods to the nations opposing Germany. This led to Germany conducting unrestricted submarine warfare where they would perceive any convoy supplying their enemies as enemy ships. This meant that they started sinking ships of neutral US and angering the nation.
it was added because they didt have enough money
Answer: i hope this is right
Explanation: I'm pretty sure it was kings who were the first to play tennis beucase sports way back then were for royals only