The buyer has the right to cancel the contract unilaterally if the seller fails to ship the goods within the L/C validity.
如果卖方不能在信用证有效期内交货的话,买方有权单方面取消合同。
It was also thought that by removing their main supply of food, the Native Americans would be forced to give in.
当时还有人认为,断掉了主要的食物来源,土著人就会被迫屈服。