What was an effect that of the decline in trade after the fall of the roman empire?

1. what did john w. mackay and george hearst have in common? 2. how did the speculators price land during the gold rush? at what price was the ophir quoted? 3. there were many drawbacks to industrial mining. name one.

What is the order from these fractions of least to greatest 1.64 1 and 7/8 0.070 9/5 pls due tomorrow

Does anyone know the song that xxxtentacion sings and when he says "hey is your neck game sloppy' i need to know what son that is hurry