Answer: Britain and other European countries undertook the opium trade because of their chronic trade imbalance with China.
Explanation: There was tremendous demand in Europe for Chinese tea, silks, and porcelain pottery, but there was correspondingly little demand in China for Europe's manufactured goods and other trade items.
The author who proposed the theory of "natural selection," which other people called "survival of the fittest" was named Charles Darwin. These two ideas are the founding basis of the theory of evolution.
