Abstract nouns are essentially nouns that can be interpreted differently by different individuals, such as beauty or maturity. Going by this definition, the abstract noun in the given sentence should be "loyalty".
C because a market research helps when you are buying something which he is (car) and this is a secondary resource because it is recommended by someone rather than them finding the research himself.
Answer:
It's because he sees the future as not as tragic as his past.
Explanation:
I went on the Maid of the Mist boat in Niagara Falls
