What historically has had the greatest impact on the development of environmental policy?

The correct answer is C) efforts of conservationists.

What historically has had the greatest impact on the development of environmental policy is the efforts of conservationists.

The environmental policy has been the result of the effort and persistence of many conservationists and the work of the representatives that had approved laws to protect the environment. Local, state and the federal government have done many things in order to protect natural resources. Through the years, among the many pieces of legislation that protect the environment in the United States are the Clean Water Act, the Clean Air Act, and the Endangered Species Act.

The other options of the question were a) small-scale private environmental events, b) large-scale public environmental events, and d) none of the above.

answer:

won re-nomination with no opposition he also had the support of his party

explanation:

it saw incumbent president andrew jackson, candidate of the democratic party, defeat henry clay, candidate of the national republican party. jackson won re-nomination with no opposition, and the 1832 democratic national convention replaced vice president john c. calhoun with martin van buren.