A third person perspective means that the story looks like it is being narrated by a person that isn't one of the characters in the story. They will therefore use words like "they", "them" and "their" to describe the actions of the characters.
This is how the story above is presented so they are using a third person perspective. To be more precise, they are using a third person omniscient point of view which allows us to see the actions of all characters and not just one.
F. a hardship is a challenge/a situation someone has to go through. all things listed can be considered a hardship. The pioneer women faces these struggles.