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Answer: B. A chimney was expensive, and while a house had just one room, its benefits were not obvious.
Answer: A. Soap was expensive, while ash was found in every home.
Answer: B. Water had to be carried and heated, so a full wash required hours of labor and firewood.
Answer: C. The phrases "first sleep" and "second sleep" appear in texts matter-of-factly, as something everyone understood.
Answer: C. In winter, darkness lasted a long time, and sleep naturally split into two stretches with a quiet pause.
Answer: C. Bread and porridge made up as much as two-thirds of all calories.
Answer: A. Radiocarbon dating rules out the idea that it was forged later for sale.
Answer: C. The houses were dismantled log by log, and the distress sign - a cross - never appeared beside the inscription.
Answer: B. Druids appear in sources almost 2,000 years after Stonehenge's first structures.
Answer: C. Between those entries came the commander's death and the decision to travel on foot.
Answer: C. No undisputed trace has ever been found.
Answer: A. People believed that hot blood had to leave the body through movement.
Answer: C. A high center of gravity and too little room for ballast made the ship unstable.
Answer: B. The word meant both "leave without comment" and "ignore"; the second meaning was reported.
Answer: A. The plan was based on a familiar scenario: one major battle near the border, the defeat of the opposing army, and negotiations.
Answer: A. The register entry was taken as fact, and its copies spread faster than the correction.
Answer: C. The bullet holes were visible where the plane could survive them; planes hit elsewhere did not return.
Answer: A. A measure that becomes a target starts taking on a life of its own.
Answer: C. Spices were rare, and every transfer added duties, middlemen, and a markup.
Answer: A. Unlike in a tavern, conversations took place with clear heads and could last all day.
Answer: A. Potatoes form tubers when days shorten, while long northern European daylight produced foliage instead.
Answer: B. The cane itself was domesticated in New Guinea, while the method of evaporating its juice developed in India.
Answer: C. Charred remains of flatbreads made from wild grasses are thousands of years older than the beginning of agriculture.
Answer: C. Rules around access, job titles, and surname changes could leave a woman's contribution in the shadows.
Answer: C. Any other relative who gained power had a reason not to give it back.
Answer: B. They checked teeth, eyesight, and the ability to hold a weapon; age and name were recorded based on what people said.
Answer: B. X-ray scattering from any helix produces a characteristic diagonal cross on film.
Answer: C. The project's author saw a calculating device; she saw a device that could work with symbols in general.
Answer: A. The old calendar counted the year as slightly longer than it really was.
Answer: A. One incident of a fastener splitting open on a customer was enough to make people never use it again.
Answer: A. While people lived by the sun, no one needed to wake up at an exact time.
Answer: C. The cool weather gave the mold a head start, and it warmed up once the mold could already interfere with the bacteria.
Answer: A. Resilience to breaks was a feature of packet switching, not the project's purpose.
Answer: C. The microwave enters food only a couple of centimeters, while heat travels more slowly deeper in - by conduction.
Answer: B. A receipt could be folded and passed along, while the metal stayed in storage.
Answer: B. A major borrower, too important to refuse, accumulated debt and stopped paying.
Answer: B. A cow lent for a year produced a calf - the metaphor described what happened naturally.
Answer: C. The stamp meant the minter had already confirmed the weight and quality, so there was no need to get out the scales.
Answer: B. He recruited informants, conducted hundreds of interrogations, and saw cases through to conviction.
Answer: C. You reached them through a slit in the skirt, and they held quite a lot.
Answer: B. A status symbol works when it is hard to fake: discomfort is the price a working person could not afford.
Answer: B. The corset supported the breasts, distributed the weight of skirts, and created a shape the bodice could fit smoothly over.
Answer: A. The heel served as a support, helping the foot stay in the stirrup while riding.
Answer: B. The face paint damaged the skin, and people covered it with another thick layer, so more lead entered the body.
Answer: A. Imported silk was paid for with precious metal, while wealthy merchants erased the outward distinction from the nobility.
Answer: B. The difference between a cheap color and an expensive one could reach hundreds of times and was visible from far away.
Answer: B. A seal did not stop anyone from opening the letter, but a damaged impression revealed that it had been opened.
Answer: B. You could refuse, and people did, while the post office carried such letters at a loss.
Answer: B. Prices, weather, and routines help reconstruct the era's ordinary life, which is missing from official documents.
Answer: B. There was nothing on the form to inspect, so censors passed it quickly and families learned that the soldier was alive.
Answer: C. A paper's value depends on whether it tells you who, where, and when.
Answer: B. The result was a grid of two layers of text laid over each other at right angles.
Answer: C. A pretext starts the countdown of events, but the causes of war lie in the long-term balance of power, fears, and promises.
Answer: C. Where a side was excluded, peace lasted for about a generation.
Answer: C. Without an independent observer, the question of "who went first" becomes a matter of faith.
Answer: B. Wristwatches existed before, but were considered a women's accessory until the trenches made them practical.
Answer: B. Without water, a city could hold out for days, not months - having a source inside the walls was decisive.
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