How is federalism and sovereign powers dependent on each other

Are there any english colleges in south korea for americans that is international ?

What is the most celebrated piece of japanese literature and who was its author? why is it important in the literary world? (around 1000 ad by a woman)

The service industry in the united states grew in the late 1800s. what was one effect of that growth? the number of people with jobs in factories as unskilled workers decreased. the number of people with jobs in factories as unskilled workers increased. the middle class grew as people took jobs as clerks, lawyers, and teachers. the middle class shrank as people left jobs as clerks, lawyers, and teachers.