He was famous for his work in influential political writings
A proper noun is just a specific noun and starts with a capital letter. Some suggestions: Honda Civic. McDonald's. (Your name). Texas. Grand Theft Auto. The Hunger Games. (Your teacher). Time Magazine. Red. Despicable Me. I hope this helps :)
He is very brave and strong
I think the significance of their argument had brought them to marriage. Both Lomov and Natalya often argue about the land that is situated between their properties. At first Lomov, only wanted to propose to Natalya because of their circumstance. However, Lomov had slowly fallen for her.
