<span>Assuming that this is referring to the same graphic that was posted before with this question, <span>the correct response would be that these cities facilitated the transport of many meat products from the west to the east, through refrigerated rail cars. </span></span>
Answer:
B.học sinh có thể tham gia mọi hoạt động phòng,chống tệ nạn xã hội phù hợp vs lứa tuổi