Hi!! I think the answer is C.!! Have a nice day!!!
His backgrounds in mathematics and engineering was demonstrated in:
<span>- his development of statistical analysis methods
- his invention of a machine to calculate correlations,
- the issue of postulates and axioms in his system
- his descriptions and explanations of behavior in mathematical equations
Due to this characteristic, Clark L Hull managed to provide accurate data/measurements in studying the correlateon between motivation and behaviors and what caused them. Due to this findings, his school of psychology dominated the field in 1940s.</span>
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<span>ᅟᅟᅟᅟᅟᅟᅟᅟᅟᅟᅟᅟ</span>
The purpose of TVA is <span>Electricity, recreation, navigation, flood control, and economic development.</span>