2. what differences exist in patterns of industrialization across regions, and what theories can be used to explain these differences?

Industrialization-The growth of companies or firms, along with increase productivity and giving new ways to develop the modern economy is called as industrialization."

Explanation:

In different regions industrialization took place in very different forms and originated in different methods, as we have to types of industrial patterns;

This type of pattern is said to be responsible for developing the industries and growing the economy of the USSR, as it then went to create and grow the modern economy for Russia as well.

The evolutionary industrialization is believed to be occurred in the US and most of the Europe as, many firms and companies gain the power to make some thing new on the base of old system present in the region.

As both the theories support the fact that industries will be more productive in nature in either ways if there is revolution happens to make a new system or evolution to improve and add on value to the old system.