Find four reasons from the list that explain how the Civil War helped set America up for rapid industrial growth in the decades following the War:

A. the wireless internet system had massively expanded to provide information

B. large government contracts to produce war supplies had created big businesses, better supply
chains and improved manufacturing processes

C. aircraft had been developed which could now be used for massive commercial transport

D. they expanded the railway system to help move troops and materials

E. the government issued standard national money

F. an expanded telegraph system improved nationwide communication