<span>Creo que este sitio web está basado en inglés
</span>
English: I believe that this website is English based
A)Developed new medical practices
Prior to the outbreak of the Civil War, the election of 1860 increased sectional tensions of the United States by lifting pro-union, anti-slavery statesman, Abraham Lincoln into the Presidency. In reaction, the Southern States protested in many ways, but in no more dramatic way than, one by one, seceding.
I would say that the best answer here is D
Answer: President kennedy.
Explanation: no thank you.