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28 multiple-choice questions and 10 flashcards on World War II, about 10% of the High School World History bank. Every one carries a written rationale.
World War II is one of 12 chapters in CoStudy's High School World History bank, and it holds 28 of the bank's 278 multiple-choice questions — roughly 10% of the total. That proportion is not arbitrary: chapters follow the certifying body's published exam outline, and the number of questions in each is set by that domain's published weight, so the share of your practice time this chapter takes matches the share of the real exam it accounts for.
Studying by chapter is worth doing once you have a diagnostic score. A single overall percentage tells you whether you are close; it does not tell you which domain is dragging. Working a weak chapter in isolation, and re-testing it in isolation, is the fastest way to move a score that has stalled — and it is why the mock exams in CoStudy report by domain rather than as one number.
7 questions drawn from this chapter, with the full rationale shown — the controlling principle behind the right answer, and why each wrong option tempts and fails.
The feudal system of medieval Europe was primarily characterized by:
Answer: B — A hierarchy of land ownership and obligations between lords, vassals, and peasants
Feudalism organized medieval society around land tenure: vassals received fiefs in exchange for military service to lords; peasants (serfs) worked the land in exchange for protection.
The Holocaust during World War II refers to:
Answer: B — The Nazi genocide of approximately six million European Jews along with millions of other targeted groups
The Holocaust was the systematic, state-sponsored Nazi genocide of European Jews (~6 million) and other groups including Roma, disabled people, and political prisoners.
Decolonization in the mid-20th century resulted in:
Answer: B — The independence of dozens of former European colonies in Africa and Asia
After WWII, weakened European powers and rising nationalist movements led to decolonization — India and Pakistan (1947), most of Africa (1950s–60s), and many more.
Which river-valley civilization is known for developing one of the world's first systems of writing (cuneiform)?
Answer: C — Mesopotamia (Sumer)
The Sumerians of Mesopotamia developed cuneiform writing on clay tablets c. 3200 BCE, among the earliest writing systems known.
European 'New Imperialism' in the 19th century resulted in the colonization of most of which continent by 1914?
Answer: C — Africa
The 'Scramble for Africa' (1880s–1914), formalized at the Berlin Conference (1884–85), saw European powers partition nearly all of Africa into colonies.
The Silk Road primarily facilitated:
Answer: B — Long-distance trade, religious and cultural exchange between East Asia, Central Asia, and the Mediterranean
The Silk Road network connected Han China to the Mediterranean, carrying silk, spices, Buddhism, Islam, technologies, and unfortunately diseases like the plague.
The Columbian Exchange refers to:
Answer: B — The transfer of plants, animals, people, diseases, and ideas between the Eastern and Western Hemispheres after 1492
The Columbian Exchange — named after Columbus — describes the post-1492 biological and cultural transfer that reshaped diets, demographics, and disease patterns globally.
4 cards from the 10 in this chapter.
When did WWII end?
Europe: V-E Day, May 8, 1945. Pacific: V-J Day, Sept 2, 1945, after the atomic bombings of Hiroshima and Nagasaki.
When did India gain independence?
1947 — and was simultaneously partitioned into India and Pakistan, with massive violence and migration.
What was the Holocaust?
Nazi Germany's systematic genocide of about six million Jews, plus millions of Roma, disabled, Slavs, LGBTQ+, and political prisoners.
Who was Adolf Hitler, and how did he come to power?
Leader of the Nazi Party who became German Chancellor in 1933, exploiting economic crisis and the Weimar Republic's weaknesses.
These are a sample. The full World War II chapter runs 38 items with per-chapter progress tracking, on the web and in the iOS app.
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