By 1900, over children worked in factories or fields.

1.7 million

Explanation:

In the early 1900s, children frequently worked in factories. Some of them started working at the age of 5. They worked for long periods of time and in the worst conditions.The North had stricter laws regulating child labor so, many factories moved to the South so they could continue employing children.

a.) a poor farmer, due to the fact that they would want to be freed from british rule.

i believe it is the second one.   if correct plz mark brainliest.