Why Did Maize Not Become a Staple Crop for All

Why did maize not become a staple crop for all Eastern Algonquians living along the Atlantic coast?

A) Not all Eastern Algonquians possessed the pottery needed to process and cook maize and maize products.
B) Maize was too risky and prone to failure in northern coastal areas with shortened growing seasons and heavy fall frosts.
C) Wheat was introduced earlier along the coast and took the place of maize as a staple crop.
D) Maize could not be grown in coastal areas prone to flooding and heavy rains.