What is the grammatical name of this expression, the teacher raised an instant alarm

The rich natural resources made the sacramento valley a "garden of eden." permanent villages were established about 8,000 years ago.which choice combines these two sentences from paragraph two to achieve a coherent flow of ideas? a) the rich natural resources made the sacramento valley a "garden of eden" and permanent villages were established about 8,000 years ago. b) permanent villages were established about 8,000 years ago and the rich natural resources made the sacramento valley a "garden of eden." c) the rich natural resources made the sacramento valley a "garden of eden; " and so the permanent villages were established about 8,000 years ago. d) because of the rich natural resources which made the sacramento valley a ‘garden of eden,’ native americans established permanent villages there 8,000 years ago.

In this unit activity, you will analyze aspects of the medieval english stories  the canterbury tales  and  sir gawain and the green knight.  you will also read george orwell’s essay “politics and the english language,” analyze it, and express your own views on how language usage changes over time.

Ineed an alliteration poem that is original(the quality does not matter). i will give brainliest.