Slavery effected congress by having people in congress have their opinions about slavery. So one part of congress agrees with slavery and the other part disagrees with slavery.
It was "nationalism" that replaced the feelings of sectionalism in the early 1800s, since this was a time of great physical and emotional growth for the US, in which the country started to feel more like a single "unit".
Answer:
-Row houses and tenements were terribly overcrowded
-poor sanitation and polluted water spread diseases like typhus, cholera, and smallpox
Explanation:
The Egyptian alphabet contained more 700 hieroglyphs