The best answer for this question would be:
a.
A consistent influx of immigrants willing to
work for low wages
The immigrants at the time were desperate to find jobs, in
order to feed their families. This caused the workforce in the Lowell Mill to
increase.
They would step harder because their body uses more force on each step.
One of the important building or structure of the Indus Valley Civilisation was 'The Great Bath'. It is one of the well known structure of the time and the said civilisation
I know it’s now A or D but I think C would be the correct answer sorry if i get it wrong.
