Answer:
A disease that was made for soldiers back then
The correct answer is B)Widespread advertising lead people to view luxuries as necessities.
During the 1920's, radio and print advertisement for luxury items became extremely popular in the United States. Items such as dishwashers, washers and dryers, and even automobiles were advertised as new modern luxuries that all individuals needed. This resulted in widespread spending by American citizens. Ultimately, this rampant spending ended up hurting most families, especially after the Stock Market Crash of 1929.
Its C. The Monroe Doctrine said that European countries couldnt interfer with North or South American affairs. The Doctrine was enforced by the British because the US had no way of enforcing the Doctrine because it was still weak. Britian agreed to enforce it becuase it allowed them to keep and expand their trade interest in the Americas.
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
WHAT WAS THE HOLLYWOOD TEN ACCUSED OF they were accused of investigating allegations of communist influence and subversion in the U.S. during the early years of the Cold War.
