I would say c, but don't quote me on that.
Answer:
North America, the Caribbean, and South America
Answer:
Every major advance in agriculture has allowed global population to increase. Early farmers could settle down to a steady food supply. Irrigation, the ability to clear large swaths of land for farming efficiently, and the development of farm machines powered by fossil fuels allowed people to grow more food and transport it to where it was needed.
Defeat the Persian empire
Answer : The election of the president of the United States 1860. Lincoln won the election, and had more electoral votes and more popular votes than any candidate.
Explain: Since the race had four main candidates, it allowed Lincoln to get more electoral votes than he would otherwise.
