Conversation so far:
how did the north american colonies impact the industrial revolution
The American colonies were greatly affected by the expansion of industry in Great Britain. The textile mills in Great Britain needed massive quantities of raw materials from North America.
What raw materials did Great Britain import from North America during the Industrial Revolution
Great Britain needed massive quantities of raw materials from North America, particularly cotton and dyes such as indigo.

Question: What happened then
Self-contained rewrite: What happened when Great Britain imported raw materials from North America during the Industrial Revolution