They are like not of these. Cossacks are part of the former Russian army.
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.
<span>In order to know if a country is in its golden age, you need to know about its future, specifically whether or not it will perform worse than it currently does. Cuz nobody can tell for sure about the future</span>
