Hello am picking brainlist

What occurred during the free banking era? the dollar bill was introduced. the second bank of the united states was established. repaying of loans was not closely monitored. currency varied widely from state to state.

The primary purpose of a certificate of confidentiality is to: allow law enforcement to investigate abuse cases. protect researchers from disclosing conflicts of interest. prevent subjects from knowing the purpose of a study. protect identifiable research information from compelled disclosure.

Brainliest to who answers! what is the function of a purchasing cooperative, or co-op?