Answer:
Location, geography, financial systems, political stability, and natural resources
Explanation:
Some of the most favorable conditions that they had were location and financial system that caused good political stability.
They also had good conditions for river which caused better and more natural resources. Because of those natural resources there were iron ore and coal that helped the good industrialization work out in both ways in Britain and in the United States.
People were moving because of good jobs and opportunities in Britan and US.