Answer:
The third rail of a nation's politics is a metaphor for any issue so controversial that it is "charged" and "untouchable" to the extent that any politician or public official who dares to broach the subject will invariably suffer politically. The metaphor comes from the high-voltage third rail in some electric railway systems.
Explanation:
The soviet union wanted to encourage the spread of communism ideals but the united states did not
A. It relied on safe houses run by northern whites and blacks to move slaves to Canada.
<span>cautiously I believe correct me if I'm wrong.</span>
Mexico and america were cool with each other in general