It could be increased greenhouse gas effect.
Prussia is the correct answer
Answer:
The powerful people won the election.
Explanation:
Tactics such as donating money to political campaigns may be considered a drawback because due to this money the powerful people won the election instead of competent people which cost the country a lot. If there is no money used for political campaigns so the more competent person won the election that leads to increase in the prosperity and development of the country and its people.
They had started using tools mad of bronze they melted and shaped into there tools