Answer:
B. The assassination of Franz Ferdinand
Explanation:
B. The assassination of Franz Ferdinand
<span>The purpose of the Open Door Policy was to give all nations equal rights when trading with China, according to the Encyclopaedia Britannica. It was initiated by the United States and aimed to both enhance global trade and to promote China's welfare and sovereignty.</span>
He is the seventh president of the USA.
Since America is all about freedom and rights, other countries may look at that and see that America is a good country. In my opinion, America has pretty decent laws and a fine voting system. Others will see that as well.