Answer:
The brothers’ ability to overcome difficulties to succeed as scholars.
Explanation:
The excerpt begins by informing us of the difficult personal problems and the meager financial support that the brothers faced from 1805 to 1812. It also highlights that, despite these problems, the brothers could prove themselves as innovative scholars in German philology. Therefore, that the author introduces is the brothers’ ability to overcome difficulties to succeed as scholars.
Anti-Jewish legislation in pre-war Nazi Germany comprised several laws that segregated the Jews from German society and restricted Jewish people's political, legal and civil rights. Major legislative initiatives included a series of restrictive laws passed in 1933, the Nuremberg Laws of 1935, and a final wave of legislation preceding Germany's entry into World War II.
the answer is a compound-complex sentence.
It is a sentence that has two independent clause joined to one or more dependent clause.