I think its A rice, but im not sure.
1. Tax Code
2. Employment and Labor Law
3. Antitrust Laws
Explanation:
The internet created a paradigm shift in the way business is conducted. Email and scan replaced the fax machine and courier services. Orders for securities can now be placed online directly by the client and are sometimes executed in seconds.
The trans-continental railroad was completed around this time, so not only did train travel change, but was innovated so that a train could take you anywhere across the US.