I literally have no idea I’m sorry
<span>The US is a mixed economy, with mostly free market features. There are some command economy features, such as a public military, public police forces, public roads, etc</span>
I believe the correct answer from the choices listed above is the second option. Pittsburg Landing fit into the Northern strategy in fighting the war by the Union wanting to gain control of the tributaries that flowed into the Mississippi River.
Hope this answers the question. Have a nice day.