I believe the answer is: <span> they impede scientific progress
The scientific findings that derived from a research often would be used as a basis for other research in the future. This method allow our scientific development to keep moving forward.
</span><span>When a research knowingly falsified data, the basis for future scientific research is already wrong to begin with and this would stunt the development.</span>
The more kids then the more help they got with work. Plus there wasn't any protection back then as we have now
Answer:
It is often said that human action and interaction is the result of 'social interaction with other(s) and interaction with self'.