Which amendment best addresses the fears of the federalists like james madison, that rights and powers not specifically listed in the consttuition or bill of rights will not be protected in the future

The Ninth Amendment.

"The inventory in the Constitution, of some rights, shall not be interpreted to reject or discredit others held by the people."

The Ninth Amendment or Amendment IX of the United States Constitution is the part of the Bill of Rights that declares that there are different equities that may subsist apart from the ones explicitly stated, and even though they are not noted, it does not indicate they can be disrupted.

ninth amendment

the correct answer is “opportunity cost”. opportunity cost is what a company misses out because it decided in one option over another one. in this case, the company decided to invest in building a factory so it gave up another possible benefit or profit in order to achieve success with the factory.  

trade-off is not the correct answer since it is a situation in which you accept losing something in return for benefits in other areas.

and finally, consequence is a general term used to accept what it comes when you make a decision. it can be a positive or negative consequence depending if the decision you took was the correct one.  

where is the cartoon dude