The light bulb was an innovation of
a.
guglielmo marconi
b.
thomas edison
c.
alexander graham bell
d.
jean lenoir
e.
gustav eiffel

The belief that war often drives civil modifications to a society is based upon the evidence that in times of external conflict, a society is forced to abandon long held discriminatory values to:

How did europeans and africans displace native americans in north america’s predominant peoples?

What was the purpose of the u.s navy's convoy system