The cotton gin by Eli Whitney. <span />
Article 6 states that the U.S. Constitution is the highest law in the US
The Franco Prussian war was important for Germany because it was the catalyst for the unification of Germany as we know it today and it pushed Germany as the military and economic leader of Europe.
I believe the correct answer is actually:
"1. the election results were challenged in court up to five weeks after the election"
I think <span>Heredity, Environment, Social, Culture, Attitude, Behavior, Media and tech.</span>