Explanation:
c.
it keeps the ground clean
the answer would be
We often came to these spots to look for artifacts.
Our beach, our summer home, had been a fishing camp for as long as anyone living could remember
im pretty shire its A. B seems to be wrong
This was at the begining of the age of the industrialisation, factory work was very harsh, workers had to live in a very small and crowded space, many weren't insured and didn't get enough money for working 12 or more hours a day.
