Answer:
The anti-slavery movement
Explanation:
After escaping from slavery in Maryland, he became a national leader of the abolitionist movement in Massachusetts and New York, gaining note for his oratory and incisive antislavery writings.
If I'm not wrong it's electric because without electricity many advancements wouldn't have been possible like for example; trains, light, radio etc; hoped it helped!
That Americans shouldn't just assume their safe from the attack and be prepared for war also.
