What point was the songwriter trying to make with "i built a railroad" and "i built a tower"?

pinterest: xxxsociety (if anyone sees this follow me on there xd)

because its important to learn about other countries and how high tech they are compared to us. also its good to learn about other cultures and how ours differs and in common also we need to learn about companies that we still buy since they ship it here.

the award is named for an american naval historian and theorist, rear admiral alfred thayer mahan, united states navy who, through his writing, provided stimulus and guidance to those who share in the defense of the nation.