The answer is probably Voter, seeing as it is kind of..obvious.
advocacy or political independence for a particular country
Easy defeat of foreign invaders is obviously positive, so it couldn’t be a factor that would topple an empire. Security is good.
Answer:
Explanation:
The American Civil War preserved the Union and freed the slaves. However, during Reconstruction, a lack of political focus on the effort failed to solve the sectional wounds, and the elimination of the freed slaves' newly gained civil liberties failed to bring about long-term racial integration.
Answer:
Railroads provided construction jobs and then connected markets throughout the nation.
Explanation:
hope it helps.