l1- I'd say that 'people use'
l2 they took a long time (also, did it necessarily bore them)
l4 The Industrial Revolution... not only did it manufacture
2)Among the changes brought by industrial revolution, the most significant ones were:
3) If this world were to be deprived of the effects of industrial revolution we could scarcely imagine what kind of world it would become
on the shelves in department stores
Long ago, before the invention of machinery, both adults' and small kids' labor was required to maintain the basic needs such as food, clothing and shelter.
Does this help? I'm afraid I've been away for a few days and just got back very tired, so I'm doing a quick post before bed.