Which country has the highest standards of living? china japan norway the united states

In japan, the had nearly total power, but he was also assisted by

The articles of confederation allowed congress to: make and borrow money. declare war. create a postal service. all of these choices are correct.

Me i really need which of these was an accomplishment of the han dynasty? the invention of the seismograph finding a water passage to europe the invention of the ballpoint pen the invention of the abacus