Answer;
The open door policy
Explanation;
Us secretary of state John Hay established the Open door policy which opened China's ports to European trade.
Open Door policy was a statement of principles initiated by the United States in 1899 and 1900 for the protection of equal privileges among countries trading with China and support of Chinese territorial and administrative integrity. John Hay, the secretary of state proposed this policy under president McKinley towards China for all countries.
A common explanation is that the Civil War was fought over the moral issue of slavery. In fact, it was the economics of slavery and political control of that system that was central to the conflict.
The correct answer is:
President Jefferson decided to purchase the Louisiana Territory from France.
Explanation:
<em>The Louisiana Purchase was treaty made by </em><em>Napoleon</em><em> to afford the Napoleonic wars and by the United States President </em><em>Thomas Jefferson,</em><em> in which the United States acquired the Louisiana Territory (including New Orleans) from France for $15 million.</em> The treaty was signed in Paris on April 30 by Robert Livingston and James Monroe and was ratified by the U.S. Congress on October 20, 1803.
