The signs were cuts in production, rise in unemployment, bank failures, and consumer borrowing. Personal debt weakening economy, etc.
1 2 3 and 4 are all wrong but if one was right id say 3
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.
