question:
Early versions of these master discs were soft wax, and later a harder lacquer was used.
What was used in final recordings of vinyl records?

answer: yes

question:
Darlan was assassinated on December 24 by Fernand Bonnier de La Chapelle.
Who killed Francois Darlan?

answer: yes

question:
The most authoritative classification in use today is IUCN's Classification of Direct Threats which has been adopted by major international conservation organizations such as the US Nature Conservancy, the World Wildlife Fund, Conservation International, and BirdLife International.
What funding organization uses the IUCN's Classification of Direct Threats?

answer: yes

question:
After the invasion of Russia in 1812, the number of French troops in Spain vastly declined as Napoleon needed reinforcements to conserve his strategic position in Europe.
Napoleon left Iberia for Central Europe to deal with whom?

answer:
no