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

george washington =

-he was a general and comander-in-cheif he solve he solve wars

-he was intelient and physically cordnated

tohmas jefferson

james madison

james monroe

aug 15, 2012 - although van leeuwenhoek was not the inventor of the microscope, he advanced it more he loved to grind and focus a new lens in order to see the unseen world. most of leeuwenhoek's microscopes were silver. in a simple but significant experiment (1668), he demonstrated that worms found on

"a shortage of traditional labor created new opportunities in the workplace. a major cause of the internment of japanese americans during world war ii was. racial prejudice. in the early 1940's, the "destroyers-for-military-bases deal" with great britain and the lend-lease act were evidence that the united states."

ok i will try

explanation: