Many great European powers had been exploiting China's weak economic system to enforce their own trade regulations for years. The United States simply wanted to join the fray, so the Open Door notes were sent to the European powers basically stating, "Hey, you guys can't own all of China, make sure that all countries get to trade equally with them."
Just as a side note, the Open Door policy with China was extremely hypocritical for the United States, as the Monroe Doctrine of 1823 basically stated that none of the European powers could interfere with the Western Hemisphere... While no one was allowed to touch the Americas, the United States was apparently allowed to mess with the rest of the world.
Answer:
The Civil War helped the Texas economy develop at a fast rate. For example, Texas developed a high-tech industry after a slump in oil prices, continued reliance on oil production which brought in more money for the economy, and had a boom and bust cycle of the oil industry.
The researcher’s failure to protect research subjects from deductive disclosure is the primary ethical violation in "Ha<span>rvard “Tastes, Ties, and Time (T3)” study (2006-2009)." </span>Sociologists at Harvard University gleaned voluminous and detailed personal information from the Facebook profiles of an entire class of undergraduates and followed those students over four years.