Dorothea Schlösser and Hanns Peter Harz had in common that they were half Jewish and half Aryan this gave Dorothea the opportunity to survive in Nazi Germany without worse consequences, in her case and in that of many others they had to hide their half Jewish part because Aryan population believed that mixed Aryans were worse than jews because they lowered the quality of the Aryan population.
The colonial economy of what would become the United States was pre-industrial, primarily characterized by subsistence farming.therefore that’s why they were important