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Difficulty: Very hardTechnological Advances and Limitations: Disease

Estimated Percentage of Total Deaths by Cause and Region, 1990:

Cause of DeathSub-Saharan AfricaEstablished Market Economies (Western Europe & North America)
Infectious and Parasitic Diseases43%1.5%
Cardiovascular Diseases8%46.5%
Cancers (Malignant Neoplasms)4%21.5%
Maternal and Perinatal Conditions10%0.5%
Injuries and Other Causes35%30.0%

Based on the table and your knowledge of world history, which of the following best explains the contrast in mortality profiles between the two regions in the late twentieth century?

  1. A
    The disparity is a direct consequence of the Columbian Exchange, which established permanent genetic resistance to infectious pathogens in European populations while introducing them to Africa.
  2. B
    The rapid homogenization of global consumer culture eliminated traditional dietary differences, resulting in uniform global rates of lifestyle-related chronic illnesses.
  3. Increased longevity in wealthier nations, driven by advanced medical technology and public health infrastructure, shifted the primary burden of disease to chronic conditions, while poorer nations faced limitations in accessing these innovations.Answer
  4. D
    The environmental success of the Green Revolution in Sub-Saharan Africa eradicated agricultural pests, allowing governments to shift resources entirely to combating cardiovascular disease.

Answer

Increased longevity in wealthier nations, driven by advanced medical technology and public health infrastructure, shifted the primary burden of disease to chronic conditions, while poorer nations faced limitations in accessing these innovations.
The correct answer explains that advanced medical technologies and sanitation infrastructure in wealthier nations drastically reduced deaths from infectious diseases, thereby increasing life expectancy and shifting the primary causes of death to chronic diseases associated with longevity (such as heart disease and cancer). Conversely, developing regions like Sub-Saharan Africa faced structural and economic limitations in accessing these technological advances, meaning that infectious diseases remained highly prevalent and kept the average life expectancy lower.

Step-by-Step Solution

1
Analyze the table to contrast the causes of death between the two regions.
Identified that established market economies have low infectious disease rates but high cardiovascular and cancer rates, while Sub-Saharan Africa has high infectious disease rates but low rates of chronic diseases.
Establishing the empirical pattern of diseases of poverty versus diseases of longevity is necessary to explain the contrast.
2
Connect the high rates of chronic diseases in wealthier nations to demographic developments.
Determined that medical advances (antibiotics, vaccines, sanitation) reduced infectious disease mortality, resulting in higher life expectancy (longevity) and a shift toward chronic conditions.
Explaining the high percentage of cardiovascular and cancer deaths requires linking public health to increased life expectancy.
3
Analyze the limitations of technological distribution in poorer regions.
Noted that economic disparities and infrastructure limits restricted access to these life-saving medical technologies in Sub-Saharan Africa, keeping infectious disease rates high.
Explaining the high rate of infectious disease deaths in Sub-Saharan Africa requires recognizing limitations in technological access.
4
Evaluate the choices to find the statement that correctly synthesis these points.
The correct answer accurately links the disparity to unequal technological access, demographic shifts, and the difference between diseases of longevity and poverty.
Selecting the most historically accurate and supported option.

Key Concept

The epidemiological transition and the unequal global distribution of medical technology, which led to a divide between diseases of poverty (infectious diseases) and diseases of longevity (chronic conditions).
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Topics

Technological Advances and Limitations: Disease

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