Could you please check these sentences?

1) Your paragraph lacks an introduction as well as a conclusion. You referred to the requested topic only near the end of your paragraph.
2) You wandered off the subject focusing your attention on the description of the ballad instead of that of the ice.
3) Some of your sentences are incomplete or don't make sense since the main verb or the object is missing. (they lack either the verb or the object).
4) In the poem Daffodils Wordsworth recounts of a walk he went on with his sister Dorothy in the Lake District.
5) According to Wordsworth, man (not men) and nature are different but they are also linked together forming a perfect union in the Universe created by God.
6) A lot of factories sprang up (I need a synonym: were built) all over England.
7) Working conditions improved with the Factory Acts, according to which (I can't find a good word/stating that??) employment of children under the age of 11 was forbidden by law.

Choose the 4 or 5 you have most doubts about.