All of the following were true of early Homo sapiens during the Paleolithic Era EXCEPT: A) They learned to use and control fire
B) They developed an oral language
C) They developed written communication
D) They lived in small groups

The nineteenth century was an era of great inventions in the united states. look at the list of inventions below and order them from most to least important (in your opinion). then explain why you ranked the top three inventions as most important. 1834: refrigerator invented by jacob perkins 1837: morse code invented by samuel morse 1853: elevator invented by elisha graves otis 1873: typewriter invented by christopher latham sholes 1876: telephone invented by alexander graham bell 1877: gramophone invented by thomas edison 1879: light bulb invented by thomas edison 1886: dishwasher invented by josephine cochran

Was the us justified in using the atomic bomb on hiroshima and nagasaki? why or why not?

How would you describe the state of germany between 1815 and 1848