I would say that the US stop seclusion of Japan. so the answer is United states
Answer:
English:
The progressive development of agriculture and pastoralism, which made it possible to gradually move from a situation of appropriation of nature to one of production, is known as the agricultural revolution . Man lived in small mobile groups of gatherers and hunters, conditioned by the ability to obtain food.
Spanish:
El desarrollo progresivo de la agricultura y el pastoreo, que permitió pasar gradualmente de una situación de apropiación de la naturaleza a una de producción, se conoce como revolución agrícola. El hombre vivía en pequeños grupos móviles de recolectores y cazadores, condicionados por la capacidad de obtener alimento.
They were ranchers, they mostly raised cattle
B.) The exchange of goods led to cultural exchanges. Take the silk road for example. Trades led to religious diffusion and new cultures.