A. The Great Depression lasted from 1929-1939, and was the worst economic downfall in the history of industrialization. In 1933, 15 million Americans were unemployed, and half of American banks had failed. B. It has caused me to be grateful that I don't live in such a difficult time, and helps me to be grateful for what I have. C. As a result, social security was put into place to protect something like it from happening again.
A. From 1939-1945, the Manhattan Project was the code name for the American development of the nuclear fission bomb. B. It has caused me to question the ability of humans to harness scientific power safely and ethically. C. It made nuclear fallout always possible in the modern world, which is a terrifying possibility.
A. When the Soviet Union developed a nuclear weapon, it caused increased tensions between the United States and the USSR. This eventually lead to the Cold War. B. It caused me to wonder whether or not it was a good idea for anyone to have nuclear weapons, as they only cause tension between major world powers. C. In modern times, there have been large tensions with North Korea and their nuclear program.
A. On April 4, 1949, North Atlantic Treaty Organization (NATO) was established. It was a military treaty that allowed the United States to have a greater effect in Europe. B. NATO has caused me to be more aware of what is happening in European countries, and learn more about the rest of the world outside of America. C. In modern times, US involvement in Europe has, in some cases, improved relationships with some countries, but, in other cases, has made things more tense.
A. In 1916, Margaret Sanger opened the first birth control clinic in the United States. She was soon arrested, but after being released she reopened the clinic. This happened many times, until in 1938, the federal ban on birth control was lifted. B. Margaret Sanger allowed birth control to be legal, which is what I think is one of the most important rights people can have. C. Now, the birth control debate is still happening, but, as long as it is going on, people can still get it.
A. On May 15, 1911, the Supreme Court ordered the dissolution of Standard Oil Company, ruling it was in violation of the Sherman Antitrust Act, which prevented companies from having too much control over any given market. By that time, John D. Rockefeller had controlled nearly 90% of the oil market. B. Learning about Standard Oil's breakup caused me to develop an opinion about that kind of issue, and I think the Supreme Court made the right decision. C. Today, many of those companies have reformed into the company known as Exxon Mobile.
A. In 1903, the Wright Brothers developed and flew the first fully functional airplane. They flew at a height of 852 feet, for 59 seconds. B. It has caused me to be able to travel very far distances, it much less time than it would take to walk or drive. C. The invention of the airplane has always been improving ever since 1903, and now, they are better than they ever have been.
A. In 1915, Albert Einstein presented his theory of general relativity to the Prussian Academy of Sciences. It treated space as a flat surface, and matter made dips in the surface, causing other stuff to "roll' towards it. B. I love learning about this kind of thing, and it has caused me to dive deeper into this kind of discovery. C. Among others, the theory of general relativity allowed the discovery of "gravitational waves" to be made possible.
A. In 1928, Alexander Fleming, a professor of bacteriology, discovered penicillin, the first true antibiotic. He had left petri dishes full of bacteria over a trip he had taken, and when he got back, he found it. B. I've probably taken penicillin to help recover from being sick. C. It has saved 200 million lives every year, so it has saved approximately 15 billion lives.
A. In 1928, Otto Rohwedder invented the first automated machine for slicing bread. Although he had a prototype made in 1917, a fire destroyed it, and, working as a jeweler, it took him 11 more years to recreate it. B. This invention allowed me to enjoy bread much more easily, and it makes bread last longer. C. It caused the phrase "best thing since sliced bread" to exist, which is one of the most common american phrases.