The Civil War time period was during the Civil War, after the War was the Reconstruction time period when they were reconstructing the country :)
The first and second opium wars determined China’s relations with Britain
<span>Railroads played a large role in improving travel and transportation in the US and Europe, especially in the 18th century.</span>
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>
In short, the Colonial system of indentured servitude (working for 5-7 years for someone to pay them back for your trip across the Atlantic) was running out of people. So the British brought African peoples across.