Which of the following is not a common criticism of the structure of the united nations?

That the least powerful the country is, the lesser the nationalities can lead the organization. Most leaders of UN are from first world countries which clearly imply  that the organization is somehow showing racism in a different form that just don't realize.

The transcontinental railroad provided a means of fast transportation. it cut a 6 month trip into 6 days, created jobs for many people and encouraged immigration. the homestead act played a huge role in western expansion; it allowed settlers to begin a fresh start, and gave them land in exchange for their residence for up to five years and a small fee.