De ce basmul fetita cu chibrituti de hans christian anderson e basm?

But we pulled at the grill [on the ground] and it gave way. and then we saw iron rings as steps leading down a shaft into a darkness without bottom. … it was a great tunnel. its walls were hard and smooth to the touch; it felt like stone, but it was not stone. on the ground there were long thin tracks of iron, but it was not iron; it felt smooth and cold as glass. we knelt, and we crawled forward, our hand groping along the iron line to see where it would lead. but there was an unbroken night ahead. what is the most likely explanation for the walls described in the bold text?

The purpose of antitrust law is to support efforts of companies to take over others discourage competition in certain markets force similar companies to combine into one protect competition by preventing monopolies

Выделите присастные и деепричастные оороты даю 30 баллов