Which invention was influenced by research on radiation?

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.

What impact did entry into ww1 have on life in the us?

What three political groups came out of the french revolution?