The Union blockade of the Southern ports was part of General Scott's Anaconda Plan.
The Anaconda plan involved choking off the Southern supply of goods via a port blockage in tandem with the Union Army coming up, around, and down the Mississippi River and working through the south systemically.
He wrote the Declaration of Independence, which officially declared that the American Colonies were completely free of British authority and influence.
C. I’m so sorry if incorrect
The correct answer for the question that is being presented above is this one: "Interactions between humans and the environment." A historian is awarded a grant to study the effects of industrial air pollution on sugarcane farms in Brazil. His research will focus on <span>Interactions between humans and the environment</span>