Federal law doesnt mandate it
The most significant immediate impact of the Columbian exchange was the cultural exchanges and the transfer of people (both free and enslaved) between continents.
Maturation is a threat to internal validity stemming from either long-term or short-term physiological changes occurring within the participants that may influence the dependent variable.
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What are physiological changes?</h3>
Ageing causes physiological changes in all organ systems. Arteriosclerosis develops, blood pressure rises, and cardiac output declines. Lung function is compromised, vital capacity is reduced, and expiratory flow rates are slowed.
Pregnancy causes a number of physiological changes in the mother, such as an increase in fat and total body water, a drop in plasma protein concentrations, particularly albumin, an increase in blood volume, cardiac output, and blood flow to the kidneys, and a decrease in blood pressure.
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Answer:
C. It conveys southerners’ hatred of abolitionists, demonstrating that ending slavery was a threat to the southerners’ way of life.
Explanation:
The text you are referring to is an article with several criticisms of abolitionism and those who defended it. The article stated how abolitionists were being irrational and petty about the way of life and the slave system present in southern states. The text expresses how, by an act of envy, the abolitionists wished to exterminate the southern way of life, reducing their supremacy and control and ending the good customs of the Confederate citizens. In summary, the text directly expressed the southerners 'hatred of abolitionists, demonstrating that ending slavery was a threat to the southerners' way of life.