twentieth century
During the ________, almost 200 million people died as a result of war, revolution, genocide, and other human- caused mass killings.
twentieth century
The ________ saw new waves of industrialisation and its global spread.
Throughout the previous century, entire new industries emerged, profoundly reshaping the industrial world
oil and the vehicle; electricity and the telephone, radio, television, and computers; motors and airplanes, jets, and spacecraft
twentieth century
The _______ saw new waves of industrialization and its global spread.
inventions
These clusters of _____ resulted in consumption habits that necessitated the use of enormous amounts of inexpensive fossil fuels.
greenhouse
The consequences of venting vast amounts of _______ gases into the atmosphere became increasingly recorded in climate change and global warming.