A: Cuba, when that happened it was also called the Cuban Missile Crisis.
The correct answer is: An asteroid impact.
The scientists call it the extraterrestrial impact theory. It states that a giant, six mile wide meteor hit the Earth around 66 million years ago. As a consecuence, clouds of iridium dust and other materials were thrown into the air, blocking the sunlight for years. This lead to the extintion of the dinosaurs who were not able to feed themselves as plants didn't grow. Photosynthesis was not possible and food chains could not be completed. When the dust settled the greenhouse gases were locked in the atmosphere causing a general increase of temperature.
The Missouri Compromise—also referred to as the Compromise of 1820—was an agreement between the pro- and anti-slavery factions regulating slavery in the western territories. It prohibited slavery in new states north of the border of the Arkansas territory, excluding Missouri.
The answer is Letter C. Iron curtain is the political separation of Western and Eastern Europe. It started from the end of World War II in 1945 until the last part of Cold War in 1991. Countries who are members of the Warsaw pact are located at the east side of the Iron Curtain while NATO members are on the west side.
The Supreme Court during chief justice Earl Warren's16 year tenure made decisions that impacted and continue to impact the lives of Americans to date. The Warren court was not only devoted to protecting the rights of citizens, but also expanding them.
