Michael Servetus was a Spanish physician and theologian. He was known for having a contrary view on Christology and figuring out the role of pulmonary circulation. I suggest using britannica.com for your research.
Confederate troops fired on Fort Sumter in South Carolina's Charleston Harbor. Less than 34 hours later, Union forces surrendered. Traditionally, this event has been used to mark the beginning of the Civil War. So the second one.
I am pretty sure the answer that oyu are looking for is D. I hope I am right and that this helps. Good Luck
The best answer would be:
The lack of natural resources
<span>Resources in their country was not a problem in the process of gaining independence, Europe had confidence that they would proper independently. Because of their innovative resources and how they are able to use it. </span>