Which sentence best identifies why Hitler wrote Mein Kampf? (1 point)

He wanted to explain his ideas on the problems and solutions for Germany.
He wanted to gain popularity to negotiate the Treaty of Versailles.
He wanted to outline how peaceful protests could create change in Germany.
He wanted to use proceeds from the book to fix the economy.

The sentence "He wanted to explain his ideas on the problems and solutions for Germany." best identifies why Hitler wrote Mein Kampf.