The effects of harmful substances such as pesticides, fertilizers and other chemicals in crop production have the following harmful effects:
1. Affects soil fertility when used in excess.
2. Crops produced with the help of such fertilizers are harmful for consumption as it can enter our system and cause several abnormalities.
3. These chemicals can get washed away with water and get mixed with water bodies resulting in water pollution.
4. Such chemicals are also harmful to the farmers who apply it in the fields.
America became the most powerful country in the world by which won there freedom! And it all started with Pilgrims searching for a land of which they could worship God freely, with no fear of persecution. America also has many resources for the world, America provides many product's to the world!
Decrease the effect of automatic stabilizers.
The correct answer would be Self-fulfillment.
I hope that this helps you !