Question

Although the drought regulations were in effect throughout the county, residents frequently watered their lawns anyway, and they neglected to use rain barrels.

what's the most important idea in this sentence?

Answer 1

The given sentence in the item above presents lots of ideas. The sentence may also be divided into several parts in order to extract the most important one. The most important idea in this sentence, I believe, is that the owners refer to water their lawns despite the drought regulations.