What is the Popol Vuh? a Mayan codex detailing the Mayan numerical system
a Mayan ball court once used for entertainment and religious ceremonies
a temple complex that was once the capital of the Mayan civilization
a collection of Mayan stories on the creation of the universe and the Maya

a collection of Mayan stories on the creation of the universe and the Maya

Explanation:

The Popol Vuh is the story of creation according to the Quiche Maya of the region known today as Guatemala. Translated as `The Council Book', The Book of the People' or, literally, `The Book of the Mat', the work has been referred to as "The Mayan Bible" although this comparison is imprecise.

the last one a collection of Mayan stories on the creation of the universe and the Maya

Explanation:

john maynard keynes developed new economic theories in response to the stock market crash of 1929. great depression of the 1930s. first and second world wars. economic boom of the 1950s.

i believe the answer is d.