Explanation:
Well technology is far more advanced than what we had decades ago. so it takes a simple lab test to see what you affected by. And also we have had more time to study what each allergy does and what symptoms may be involved in it
Answer:
they were freed and they could run free and where they didnt have to be tolded what to do anymore
it seems like you have the answers correct im sorry if that was not what you were asking im not sure
The first one
