Mainly seafood. Back then, fish, crab, clam, and other seafood was much cheaper than now and provided a much healthier diet.
The Purpose of Government Regulation of Business. The U.S. government has set many business regulations in place to protect employees' rights, protect the environment and hold corporations accountable for the amount of power they have in a very business-driven society.
The answer should be:
Animal & human power were generally replaced with steam power.
