Question

the rise of john d. rockefeller’s standard oil company and andrew carnegie’s steel company were examples of (ssush11b)
the public benefiting from business leaders that reformed domestic industries
government privatization of essential resources
the rise of trusts and monopolies
the impact of labor leaders on government

Explanation:

John D. Rockefeller's Standard Oil and Andrew Carnegie's steel company were dominant corporate entities in the late 19th century U.S. They used tactics like horizontal integration, vertical integration, and forming trusts to eliminate competition, gaining near-total control over their respective industries, which defines the rise of trusts and monopolies.

Answer:

The rise of trusts and monopolies