What were the economic differences in
the North and the south at the end of
reconstruction?

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.

What is grievance 28 on the declaration of independence explained in simpler words? plz

This was an act of continental congress which initially organized the first united states territory and was to be the basis for governing how the united states would expand westward.