A.
He thought it was unconstitutional for the government to make an uncharted purchase or something similar to that.
<span>Charles Dickens began as a law clerk in 1827 to provide for his family. He also spent a great deal of time in the theater district. By the age of 20, he was a reporter for The Mirror of Parliament during the age of Queen Victoria. The rise to writer status was a vast difference to the job he had at age 12 as a factory worker.</span>
Answer:
Preservation
Explanation:
They preserved much classical text(Not their own but Roman and Greek). They introduced the Arabic number system