Which manufacturing sector of american economy made andrew carnegie a fabulously wealthy man

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.

How did modern american history begin with “contact”?

How did the treaty of versailles cripple germany after world war one ?