<Tr> <Td_colspan="2"> <Table> <Tr> <Td> 4 killed dozens wounded many arrested 2 hanged afterward </Td> <Td> 1 killed dozens wounded </Td> </Tr> </Table> </Td> </Tr> <Table> <Tr> <Td> 4 killed dozens wounded many arrested 2 hanged afterward </Td> <Td> 1 killed dozens wounded </Td> </Tr> </Table> <Tr> <Td> 4 killed dozens wounded many arrested 2 hanged afterward </Td> <Td> 1 killed dozens wounded </Td> </Tr> <P> Shays' Rebellion was an armed uprising in Massachusetts (mostly in and around Springfield) during 1786 and 1787 . Revolutionary War veteran Daniel Shays led four thousand rebels (called Shaysites) in an uprising against perceived economic and civil rights injustices . In 1787, the rebels marched on the United States' Armory at Springfield in an unsuccessful attempt to seize its weaponry and overthrow the government . </P>

What is the shays rebellion and its impact