It was challenging because there wasn't many tools then and not a lot of relying resources. As early New England was developing, some crops would die off from livestock eating it, and lack of knowledge of what they were farming. This was some major things in the development of new England's agriculture.
The diaphragm is the part that adjusts the light of the specimen
2 million were processed 2% were not accepted so I’m assuming it’s the first one.