Answer:
It was on 9 November 1989, five days after half a million people gathered in East Berlin in a mass protest, that the Berlin Wall dividing communist East Germany from West Germany crumbled. East German leaders had tried to calm mounting protests by loosening the borders, making travel easier for East Germans.
It transported livestock, crops, and diseases among Africa, Europe, Asia, and the Americas.
The Columbian Exchange was the exchange of items which began during the period of exploration in the 15th century.
The Columbian Exchange moved crops from the Old World to the New World and vice versa. Tomatoes, potatoes, corn, and pumpkin were all transferred to Europe becoming staple food crops for many countries. Europeans brought disease, domesticated animals, rice, onions, and sugarcane to the Americas. Africa was introduced to new foods and manufactured items in exchange for slaves to work plantations in the New World.
Because the west coast is not where all the business are (so they are more liberal as a result) but, the southern states are where most business are (so they are more conservative).
History helps us develop a better understanding of the world. You can't build a framework on which to base your life without understanding how things work in the world. History paints us a detailed picture of how society, technology, and government worked way back when so that we can better understand how it works now.
