Read and complete the sentence with the correct part.

In 1870 Pavel Tretyakov included the most valuable and remarkable artworks of his contemporaries in his collection. He bought paintings at the exhibitions and directly from the artists' studios. Sometimes Pavel Tretyakov bought the whole series of artworks, and ... Pavel Tretyakov started acquiring artworks by the Russian masters of the 18th and first half of the 19th centuries and the fines works of Old Russian painting.

• he acquired many pictures, figures and studies by Vereshchagin and many studies by Ivanov.
• creating the Russian National Gallery.
• fullest collections by Perov, Kramskoi, Repin, Surikov, Levitan and Serov.
• accommodating his great collection.
• Aspiring to show developing of the national school of art
• During his lifetime
• being in the centre of general attention and an object of constant gratitude.
• his collection and a private residence to Moscow.
• produced its catalogue.
• Apart from engaging in collecting