Answer:
He was a leader of the abolitionist movement
Explanation:
He escaped from slavery and eventually became a national leader of the abolitionist movement, becoming famous with his antislavery writings.
43% of the u.s. federal government's recipts come from individual income taxes
Answer:
radio wave
Explanation:
Radio wave have photons with the lowest engeries. microwave have little more energy than radio wave .
Well, we discovered that we needed to upgrade security so that potential criminals weren't coming into our country, and so potentially harmful substances weren't being brought onto our planes. That meant literally anything that could become a bomb, start a fire, stab someone etc. As for Pearl Harbour, I think that had more of an affect on how we thought our military and defence system was working.
