We found out that the food supply is not finite,
食品供应是没有止境的
that we can actually continue to increase it
我们可以不断提高食品供应量
to match the increase in population.
以满足人口增长的需求
In 30 years, the world's population grows from 2 billion to 3 billion.
三十年间 世界人口 从二十亿增长到三十亿
Fifteen years later, 4 billion and rising.
十五年后 又增长到四十亿 并且还在不断增长
But with new crops and fertilizers,
但是有了新的作物和新肥料
we've grown more in the last 100 years than in the previous 10,000.
过去一百年间的种植量 就比以往一万年还要多
Fertilizer allowed us to grow more,faster and more productively.
有了化肥 人们可以更广泛地种植农作物 它们生长更快 也愈加高产
We increased the food supply.
食品供应量得到了提高
but as our numbers explode,
但是随着人口数量的激增
so does the scale and reach of human conflict.
人类冲突的规模和范围也在不断扩大
1942. Mankind's first truly global war.
1942年 人类第一次真正的全球大战爆发了
In Europe, Nazi Germany dominates.
德国纳粹控制了欧洲
In the Pacific, imperial Japan.
日本帝国统治了太平洋
The largest state in the U.S., Alaska,
美国最大的州 阿拉斯加
dangerously close to Asia and isolated.Ready? And...go!
临近亚洲 孤立无援 十分危险 准备 炸!
Now, 11,000 American soldiers blaze an impossible trail,
现在 一万一千名美国士兵尝试着一项不可能完成的任务
the Alcan highway,to link Alaska to West Coast Canada
要修建一条 从阿拉斯加到加拿大西海岸
and the rest of the United States.
连接全美的爱尔肯公路