Cliff dwellers who disappeared mysteriously were Anasazi Indians
If I'm correct, they perceived it as punishment from the gods, for their evil ways... ( correct me if i'm wrong. )
Three early forms of communication were petroglyphs, cuneiform, and hieroglyphs.
Answer:
Nothing really happened Biden still cheated and slid his way into office.
Explanation:
The answer is B- radio was widely used, so people thought an alien invasion was taking place.