Final answer:
The U.S. Court supported business interests after the American Civil War by interpreting laws in favor of corporations. This support helped promote economic growth and stability during the period of industrialization and economic expansion.
Step-by-step explanation:
The U.S. Court supported business interests after the American Civil War by interpreting laws in favor of corporations. The government's limited enforcement of regulations allowed businesses to grow without significant restraint. Some business leaders argued that government agencies with limited powers over trade and commerce provided the appearance of regulation without substantial reform. This support for corporations helped promote economic growth and stability during the period of industrialization and economic expansion.