William Penn was relatively nicer than any other group of settlers. He actually bought land from Indians instead of stealing the land. He respected Indians and didn't believe in enslaving them. He would also sign peace treaties with nearby tribes.
I assume that these are the options.
the first option, tariff, is a form of tax.
the second option, work ethic, is indeed something the workers can do to improve the economy so this is the correct answer
Osaka is a city and trade surplus would be more an effect than it cause for good economy