<span>theory that individuals, groups, and peoples are subject to the same Darwinian laws of natural selection as plants and animals</span>
Join together with their similar points of view about our government. As well as to create two different sides of views for people to follow.
The correct answer is
<span>a.pesticide subsidies were costing money, causing pollution, and decreasing yields.
Pesticides were used way too much and were not only destroying food but were harming people. Too many pesticides leave traces in food and people can get poisoned over time if they consume this food on a regular basis. That's why the government started supporting Integrated Pest Management.</span>
You didn't include options but here's the jist - there were many casualties, cities and towns were left in ruins, national identities across Europe were in shambles.