Answer:A
Explanation:I'm pretty sure thats it
The telephone and the light bulb
The United States later modified the convention to enable its approval in genocide because of fear that international covenants were threats to U.S. sovereignty.
<h3>What is Genocide convention?</h3>
This was adopted by the General Assembly of the United Nations to ensure prevention and punishment of crime of genocide.
The United states modified it as it felt the international covenants were threats to its sovereignty.
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In 1849 Californians sought statehood and after heated debate in the U.S Cogness arising out of slavery issue, California entered the union as a free, non slavery state by the compromise of 1850. California became the 31st state on September 9, 1850.