Answer:
Congress supported college and post-graduate study with the National Defense Education Act. you didnt leave any options. this is what I came up with.
Explanation:
I think its A i'm not 100% sure
The completion of transcontinental railroads in the United States and Canada
In 1920, between the anti- evolution teaching law and prohibitions, it was still lawful to teach creationism, but virtually everything else had been made illegal.