The primary cause of Rome's rapid expansion into the Mediterranean region was that they had a superior military and faced relatively weak opposition.
Answer:
people can preserve culture by documenting it and passing traditions on to younger generations.
Many nations had already abolished slavery.
Let me know if you want to know why.
The Transportation of taro root crops, and pigs,as well as domestic chickens and small dogs in some groups,when tied up or kept in a cage,can be carried on a large sail boat or canoes,while the people row the oars ,in Hawaii all of these animals were brought to Hawaii by the Polynesian settlers,but New Zealand was too cold for the chickens to survive, the dogs and pigs I don't know