Commodities are goods sold or traded in commerce. There are natural resource commodities such as oil and natural gas. There are also various metals (gold, silver, etc) traded on the market. And there are agricultural and livestock commodities -- corn, soybeans, live cattle, etc.
just took the test
it provided for selection of government employees through competitive examinations. it also made it unlawful to fire or demote covered employees for political reasons or to require them to give political service or payment, and it set up a civil service commission to enforce the law.
the answer is c.
i hope this .