HELP 50 points What is a benefit of the European Union?

It enables members to create their own economic goals.
It allows members to have independent economic markets.
It taxes trades to allow members to become more wealthy.
It creates a single economic market that uses a common currency.

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.

In e. c. tolman's experiment, some rats were trained to run through mazes for standard food goals, while other rats were allowed to explore the mazes for 10 days without food goals or other rewards. later, when food rewards were placed in a box at the far end of the maze, the previously unrewarded rats reached the food box as quickly as the rewarded rats after only one or two trials. this experiment demonstrated that the rats had the ability to form of their surroundings.

Which beliefs and principles in the declaration of independence and the us constitution create a national identity