A. i am pretty sure it is A.
Treasury bill
<span>It's a short-term debt backed by the U.S.
government with a limit of one year, It's sold in denominations
of $1,000. The maximum purchase is $5 million </span>
True. When you analyze the key elements of a country's economic perspective environment, it is best to apply a systems perspective. When you follow the systems perspective you should be taking all of the behaviors, attributes and actions of a system when it's in its environment. instead of individualizing people and things within, it's an overall evaluation of the system.