The extension of slavery into the western territories.
For a specific instance, see the landmark supreme court case Dred Scott v. Sandford.
Answer: 1920- Hair Dryer
1920- First radio station
1920- The Thompson Sub-Machine Gun
1920- The Band Aid
1921- First robot built
1923- Traffic Signal
1925- Mechanical Television
1926- Liquid Fueled Rockets
1928- Penicillin
1929- Car radio
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Explanation:
The colonists dumped around 18,000 pounds of tea in the Boston Harbor which is know as the Boston Tea Party.
Answer:
1828.
Explanation:
Andrew Jackson was elected as the 7th president of the United States in 1828.
The correct answer should be - a botanist who s<span>tudied nature to uncover why a certain plant kept dying.
The most important principle of Enlightenment is reason and knowledge - so instead on relying on superstition and unreliable facts, this person decided to actually explore and study nature further to reach a conclusion him/herself.
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