Alfred Wegener hypothesis of continental drift was replaced in 1967 by plate tectonics. Today, the theory of plate tectonics is widely, this theory explains the structure of the earth's crust and many associated phenomena as resulting from interaction of rigid lithospheric plates that move slowly over the underlying mantle.
Yes, the current American tendency to blame the poor for unfavorable conditions is similar to racist attitudes of the past. Groups in power, whether by class or race, have always tended to attribute their issues to outside parties such as the less-privileged strata of society. For example, Hitler blamed Germany’s post-WWI economic and political suffering on the domestic Jewish population, encouraging the entitled and intolerant “Aryan” Germans. In America today, political groups that are composed of the most-fortunate demographics of society tend to blame the poor for high taxes and invasive social programs. As always, xenophobia against impoverished immigrants prevails and continues to perpetuate the use of “scape-goats” for economic and societal issues brought by other factors.
<span>Uneven distribution of wealth between upper and lower classes.
Overproduction by businesses and agriculture.
Americans were buying less.</span>