What did napolean do in animal farm

Which statement best describes thomas paines usesof evidence in the passage the crisis no. 1?

1. in which sentence is the underlined portion a predicate nominative? for astronauts, going into space to repair orbiting equipment becomes a challenge. for astronauts, going into space to repair orbiting equipment becomes tricky. for astronauts, going into space to repair orbiting equipment becomes challenging. for astronauts, going into space to repair orbiting equipment becomes frequent.

How do the historical details in this passage support the authors' claim?