Answer:
B. contact a member of the US House of Representatives to discuss his ideas
Step-by-step explanation:
The first step that Cameron should take as a US citizen when he has some ideas about laws and reform in the country's agricultural sector is to contact a member of the US House of Representatives to discuss his ideas.
This is because, they are his representatives in government and they should be able to voice out the complaints, wishes or ideas of the people they are representing.