The answer is B. Citizens can affect policies without running for office
The Department of Housing and Urban Development . expanded funding for public housing and funded city rebuilding efforts.
After World War II, affordable houses in urban areas were difficult to find. Due to the rate of homelessness, president Johnson created this department to provide funding to business that meet a minimum quality standards. This resulted in more affordable housing.
Agriculture has an enormous effect on our society (and practically all societies for that matter) since it allows for a "food surplus"--meaning that people who are not farmers can develop other skills and trades that contribute to the advancement of society.