Which sentence best identifies how Mein Kampf grew in popularity?

Question

As the Weimer Republic grew more successful, people read the book.

As the Nazi party won more seats in parliament, book sales grew.

Hitler’s friend Rudolph Hess publicized the book widely across Germany.

Hitler sold the books in the Beer Hall Putsch to aid in the revolution.

Answer 1

As the Nazi party won more seats in parliament, book sales grew.