Your answer is D the stock market crash.
The answer is unsure to me because i don't see the examples above, but I'd go with d.
The Ancient Mayans developed the science of astronomy, calendar systems, and hieroglyphic writing. They were also known for creating elaborate ceremonial architecture, such as pyramids, temples, palaces, and observatories.
Answer:
im pretty sure its Sviatopolk I, but dont trust me on that one
