According to the lesson, what were three major problems facing the union after Civil war ?Select one of the problems you listed and explain why it could be the most difficult to solve.

1. We have ambulances and hospitals.

We prize America as a land of opportunity.

3. We begin summer with a tribute to fallen soldiers.

4. We let technology guide how we communicate.

5. We identify ourselves as Democrats and Republicans.

6. We see war "up close and personal."

7. We hold certain rights to be sacred.

Think of these three amendments to the U.S. Constitution, all ratified within five years of the end of the Civil War:

   13th Amendment (1865). Section 1. Neither slavery nor involuntary servitude, except as a punishment for crime whereof the party shall have been duly convicted, shall exist within the United States, or any place subject to their jurisdiction. ...

   14th Amendment (1868). Section 1. All persons born or naturalized in the United States, and subject to the jurisdiction thereof, are citizens of the United States and of the State wherein they reside. ...

   15th Amendment (1870). Section 1. The right of citizens of the United States to vote shall not be denied or abridged by the United States or by any State on account of race, color, or previous condition of servitude. ...

8. We're all Americans.

Explanation: hope this helps since you didnt  put the  choices  up  sorry if it didnt  good luck

c. troops marched forward in close formation against newer, more accurate weapons