B. A wealth benefactress who provided Tchaikovskys with an annuity
Explanation:
<u>Nadezhda von Meck was a Russian businesswoman and Patronage who provided financial aid to few composers, including Tchaikovsky. </u>
Nadezhda and Tchaikovsky were friends, corresponding for fourteen years of their lives, even though they have never met in person. They exchanged hundreds of letters, discussing various intellectual topics and providing moral and emotional support to one another. She had admired Tchaikovsky’s work greatly and decided <u>to be his patron for thirteen years</u> so he could be a full-time composer. T<u>chaikovsky has dedicated his Symphony No. 4 to her. </u>
