What Meterial finally worked in Thomas Edison’s invention

Answerwho is the first goverment en united state

Why were inventors essential or necessary for an industrial revolution to happen in america

Identify the type of source based on the information provided. a historian found a journal belonging to an ancient indian princess. the princess liked to keep a record of all the royal women of her dynasty who lived before her time. she tried to collect as much accurate information about their history as possible. her journal is a great source of historical information. based on the passage, the princess’s diary is source.