It was signed on May 19, 1828 during the presidency of John Quincy Adams. It was passed by Congress. It set a tariff (tax) on imported goods. The tariff was designed to protect the northern industry, causing the southern states to be hit dramatically, which is why it was considered a reason leading to the Civil War.
The answer would be East Asia. East Asians
comprise around 1.6 billion people. About 38% of the population of Asia
and 22%, or over one fifth, of world's population lives in East Asia.
The completion of the Transcontinental Railroad greatly affected companies that made products in that it made it far easier for them to transport their goods over long distances to markets, which greatly increased profits and output.
This is the answer to your question it’s D. way