Logical ReasoningDifficulty: Easy

PT120 S4 Q24 Explanation

New evidence suggests that the

A free, expert breakdown of this official LSAT Logical Reasoning question.

TopicsStrengthen

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Stimulus

New evidence suggests that the collapse of Egypt’s old kingdom some 4,000 years ago was caused by environmental catastrophe rather than internal social upheaval. Ocean sediments reveal a period of global cooling at the time, a condition generally associated with extended droughts. There were, no time, but they resulted from a severe dry spell.

What this question is testing

Strengthen

Your task

Find the choice that makes the argument's conclusion more likely to be true.

Common trap

Answers that are consistent with the argument but add no real support, or that strengthen a claim the argument doesn't make.

Winning move

Locate the gap between evidence and conclusion, then pick the choice that closes it.

Reading along? Open the full official question in LawHub — we show a fragment here and keep the reasoning in our own words.

The question
24.

Which one of the following, if true, would most strengthen

Answer choices

  1. Weakens2% picked this

    Historically, most civilizations have succumbed to internal strife rather than

    This states that most civilizations collapse due to internal strife rather than external factors, which undermines the argument's conclusion that environmental factors caused the collapse.

  2. Weakens4% picked this

    The social problems in Egypt’s old kingdom at the time of its collapse were serious enough to

    This claims that Egypt's social problems were severe enough to cause the collapse, supporting the idea of internal upheaval rather than environmental causes as the main driver.

  3. Correct78% picked this

    At the time of the collapse of the old kingdom, several isolated but well-established civilizations near

    Why this is right

    This suggests that nearby isolated civilizations underwent sudden declines at the same time as Egypt's collapse, implying a broader regional issue like environmental catastrophe, rather than localized social problems, reinforcing the author's argument about environmental causes.

    Skill tested: Strengthen · how this choice captures the argument's function is the move to repeat next time.

  4. Weakens14% picked this

    Egyptian records recovered from the time of the collapse explicitly refer to the deteriorating conditions

    This mentions that Egyptian records explicitly referred to deteriorating societal conditions, adding weight to the idea that social problems were significant during the collapse.

  5. Weakens2% picked this

    Shortly after the collapse of the old kingdom, Egypt was thrust into a civil war that lasted most

    This tells us that a civil war occurred shortly after the collapse, hinting that social strife was significant, aligning with internal causes rather than the external environmental factors.

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