Economic because the u boat attack was trying to keep aid from England during the war
The correct answer in the blank is polygenic inheritance. It describes the statement above for the polygenic substance enables to control a characteristic with the use of the genes that it comes from. These is the reason why personality characteristic is being identified or known and its the reason of the polygenic inheritance.
The most important societal change that resulted from modernization is the decline of superstitions as a source of knowledge. However, the main problem that resulted from modernization is the decline of the moral society and prevalence of social decadence.
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