The dust bowl moving eastward. A lot of poor people lived in the W. and all the middle class lived in the East. Once the bowl moved E. it really screwed the middle class over worst than the poor because they didn't know what to do when that happened.
I believe it's between Men and Women.
Chivalry filled with a set of standards that society expected a group of people did and determine what considered as appropriate and not appropriate.
This type of thinking started to became popular during the medieval period but started to diminished as the roles between Men and women started to interlace with one another.
If I remember correctly it is Spain
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The two primary reasons the colonists gave for not wanting to declare their independence were 1) that they would be going up against the greatest military in the world (Britain), and that 2) they would loose their military protection.