1. 从文章可以推断出 during the war, men 参军去了,women 开始出现在manufacturing,agriculture上,所以此时women 在 M, A 的数量都增加。
2. 文中有提到,women在M是temporary worker。after the war, men returned to M, and few women remained. 所以,战后women在M的人数减少了。
3. 战后,有两个原因(expension of agriculture和decrease of male farm workers)导致women在A上人数只增不减。