The answer is C. Adena and Hopewell.
The various cultures collectively termed Mound Builders were inhabitants of North America who, during a 5,000-year period, constructed various styles of earthen mounds for religious and ceremonial, burial, and elite residential purposes. These included the Pre-Columbian cultures of the Archaic period; Woodland period (Adena and Hopewell cultures)
Answer:
Buy expensive machinery. Buy seeds and supplies at low cost. Negotiate with railroads and shipping companies.
It seems that you have missed the necessary options to answer this question, but anyway, I have searched for it and here is the answer. <span>Both european medieval knights and Japanese samurai warriors pledge oaths of LOYALTY TO THEIR MILITARY LEADER. Hope this answers your question.</span>