1. Dr. Dean Ornish and Dr. T. Colin Campbell have conducted research and published books that suggest a "Whole Food Plant-Based" (WFPB) diet is best for achieving optimal health. Others, such as Dr. Robert Atkins, Dr. Loren Cordain, and Dr. Robert Lustig, have advocated very different positions, with less emphasis on carbohydrates (plant-based foods) and greater emphasis on protein and fat (animal foods).

the answer is d. give brainliest if right.

ps is this 7th grade civics?

i do believe its (d) it allowed the government to offer pioneers sixty acres of western land if they lived on it and made improvements to it.

explanation: signed into law in may 1862, the homestead act opened up settlement in the western united states, allowing any american, including freed slaves, to put in a claim for up to 160 free acres of federal land. by the end of the civil war, 15,000 homestead claims had been established, and more followed in the postwar years

answer; i believe its (jade); good luck