Yes, slaves wanted to return to Africa because Africa didn't have slavery.
Pulmonary Disease especially in children. Cardiovascular Effects. <span>Another danger of air pollution is toxic particulates, such as lead, mercury, and arsenic. When inhaled, these particles can build up in your body over time and cause health problems once concentrations reach dangerous levels. Arsenic can increase your risk of cancer; mercury can cause nerve damage and birth defects; and lead can cause learning disabilities and impair brain functions, especially in children. In high concentrations, many of the substances found in air pollution can be fatal.</span>
The answers are A and B
While pesticides have damaged the environment, it helps keep bugs away from crops which is a pro for farmers.
Genetically engineered and hybrid engineered plants grow better but the person who eats the crops is put at risk for cancer.
As you can see, both options have a pro and con.
Best of Luck!
The failure was due to reduced support from the Soviet Union when North Korea aligned more with China and military pressure from the US
