Read and complete the sentence with the correct part.

Pavel Tretyakov started to collect artworks in 1854 at the age of twenty-two, and his first purchase was ten canvases by Old Dutch masters. He laid down for himself the main aim of ...

• creating the Russian National Gallery.
• fullest collections by Perov, Kramskoi, Repin, Surikov, Levitan and Serov.
• he acquired many pictures, figures and studies by Vereshchagin and many studies by Ivanov.
• accommodating his great collection.
• During his lifetime
• Aspiring to show developing of the national school of art
• 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