From mid 1929 to mid 1931
Union soldiers were fighting for the freedom of slaves and reuniting the states. Confederate soldiers fought for protecting the confederacy. Yes, it did change over the war.
D is correct, though it passed in congress it lacked the 38 state approvals it required to be ratified, it wasn't made an official law but several states made similar laws applying to their own state
When voters do not believe they have political efficacy, it generally means that "<span>A. Voters believe their votes will have no impact in an election", since this impacts their ability to change government and governmental policies. </span>
The government can be altered as the years go on as we develop and change as a nation. Amendments or Subsequent ratification