Prince metternich of austria found the idea of italian unification impossible because

National interests

Explanation:

Prince Metternich of Austria, a firm believer of balance of power among the great European powers, opposed Italian unification because Austria controlled large areas of northern Italy where industry and trade flourished. As it happens, North Italy is the economic motor of the country. Which makes it interesting to investigate why this flourishing part of Italy was hit so hard by the corona-virus.

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.

explanation:

the answer to your question is a. the salt plains

in 1811, he led an expedition, known as the george c. sibley expedition, to improve relations with the pawnee and kansa tribes, and also to locate the rumored jefferson's salt mountain