the first one would be a game in which balls are hit into pockets on a special table, the second one would be a supply of people or things that are available, and the third one would be a body of water
Worsworth wrote this poem in the Romantic period. And it was written in light of his views that people are so invested in spending and earning, that they have altogether forgotten to appreciate the beauties of nature before them.
I think the answer is while because you can’t start a sentence with because