By analyzing the starting material and the product,the following reaction is possibly an example of what type of mechanism(s) ? 
Definitions:
League of Nations
An international organization established after World War I to promote peace and cooperation among countries, though it ultimately proved ineffective at preventing conflict.
Election of 1916
The presidential election in the United States in which Woodrow Wilson was re-elected, largely focusing on issues of American neutrality in World War I.
Charles Evans Hughes
An influential American statesman, Supreme Court Justice, and Secretary of State who served in the early 20th century, known for his contributions to law and diplomacy.
Alice Paul
A pioneering American suffragist and activist who played a key role in the campaign for women's suffrage resulting in the 19th Amendment to the U.S. Constitution.
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