1. what do the crops grown by the caddo tell you about their civilization? they had limited food supplies. they maintained well-developed farms. they only grew staple crops. they barely grew enough to feed the population. 2.how might you infer the caddo were active trading partners in the region? they maintained excessive production practices. there are detailed reports of their trade routes and travels. there have been products from other places found on their sites. there have been trading cities discovered. 4.what is the most logical reason why the plains tribes lived in tipis? the tipis provided much more space than other styles of homes. the tribes had limited materials from which to build homes. the tipis were easy to break down and assemble, making them portable. the tipis were the best home for providing warmth in the winter. 5.what type of marital arrangement was most common in the kichai tribe? one wife to one husband one wife with multiple husbands one husband with multiple wives multiples wives and multiple husbands