3,991 views
3 votes
3 votes
Coal, steel, and steam engine production greatly increased due to which of the following?

Railroads
Warfare
Revolutions
Open field systems

User Jure Vizjak
by
3.4k points

1 Answer

1 vote
1 vote

C. revolutions

Step-by-step explanation:

User Danesh
by
3.4k points