True or false prehistory is before humans walked upright

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.

Will give brainlist need this answer asap which of the following groups made up the majority of those involved in the progressive movement? a) politicians b) farmers c) middle class d) factory worked

Which of the following best describes a similarity between the haitian and french revolution?