Answer: to assure that the United States had access to trade with China.
The Open Door policy was issued by the United States in 1899-1900 as a series of dispatches from the US Secretary of State to other nations that had trading interests in China -- Great Britain, Germany, France, Italy, Japan, and Russia. The policy reasserted earlier agreements that all countries should have equal access to ports in China, with no favored "spheres of influence" for one nation or another. The United States was seeking to maintain an equal footing with other nations in the access to trade in China.
<span>Locke envisioned people ceding the right to violent action to the state in return for protecting their other rights that can be lost in a lawless setting. The First Amendment's protections of the right of free speech, of assembly and of religious expression help delineate government's side of the bargain in looking after the citizen.</span>
John Locke emphasized "life, liberty and property" as primary. However, despite Locke's influential defense of the right of revolution, Thomas Jefferson substituted "pursuit of happiness" in place of "property" in the United States Declaration of Independence.
E. It so stated that it started with the crashing of the stock market.