They wanted the roads for their Army, just like the US Interstate system was originally created in case the Army needed to be moved across the country very quickly if the Soviets attacked.

只关注军队用路，就好像美国州际公路系统,原本是为了苏联攻击时,陆军能快速穿越国家而建的。

耶鲁公开课 - 新约课程节选

Yeah. Tell us about the state of the Afghan national army I have heard the good thing about the progress that it has made there.

能说说阿富汗国民军官兵的情况吗,我听说了我们取得了一些进步。

普林斯顿公开课 - 国际座谈会课程节选