Answer: The 14th amendment
Explanation:
One of the things that gave the Kingdom of Ghana a military advantage over its neighbors was its use of iron to make weapons. Many other people in the area still were using wooden weapons.
Answer- C
Explanation- the 3/5th compromise was used to count the slave population as 3/5th of a person and in that giving the south just enough political power over the north
Set up the Constitution as the incomparable law of the United States, affirming the Court's energy of legal survey. The Supreme Court found that elected courts have the ability to nullify demonstrations of different branches of government when they abuse the Constitution. It's one of the "balanced governance" key to the capacity of the government.
Answer: Marie Curie studied the radiation of all compounds containing the known radioactive elements, including uranium and thorium, which she later discovered was also radioactive. She also found out that:
- you can exactly measure the strength of the radiation from uranium;
- the intensity of the radiation is proportional to the amount of uranium or thorium in the compound - no matter what compound it is;
- the ability to emit radiation does not depend on the arrangement of the atoms in a molecule; it must be linked to the interior of the atom itself - a revolutionary discovery!
When she realized that some uranium and/or thorium compounds had stronger radiation than uranium, she made the following hypothesis: there must be an unknown element in the compound which had a stronger radiation than uranium or thorium. Her work aroused the interest of her husband, Pierre Curie, who stopped his own research on crystals and joined the "detective work" with his wife. And Marie was proven right