The First World War was a cataclysm that disrupted countless lives. As a modern, total war, it brought men and women into active battle zones across Europe as well as in parts of Africa and Asia. New technology further extended the borders of the war. <span>Air power </span>made it possible to launch attacks against civilian populations at some distance from traditional frontlines, and U-boats sank passenger ships, such as the Lusitania in 1915, that were loaded with men, women, and children crossing the Atlantic. In addition, albeit with less novelty, invading armies ended up occupying swathes of territory. Civilian women and men in Belgium, the north and east of France, Serbia, and parts of the Russian empire among other locales came under the control of occupying powers.
The most common weapon of the Aztec was the spears that were known to pierce Spanish armor and were sharp enough that warriors could use them to shave. Another name for their spears was, tepoztopilli. Aztec warriors also used bows & arrows, darts, clubs as well. The Spanish used allies they had made by force or persuasion. The fact that Moctezuma believed Cortés to be a reincarnated god also helped with aiding the Spanish in entering Tenochtitlan. The Spanish uses guns, swords, and cannons as their weapons in the fight against the Aztec but, their greatest weapon proved to be the Small pox virus which they brought to the new world from Europe. Since small pox had been around for a while in Europe, most Europeans had developed and immunity to it but still carried the virus. The Aztecs had never been exposed to the virus so within a number of weeks, a large percent of the Aztec population had been wiped out by the virus.
Early in the twentieth century rapid economic and technological change increasing competition among powerful states.
Answer:
The Columbian exchange was caused by the arrival of Europeans in the Americas. The first of these European was Columbus, who arrived in what is now the Bahamas in 1492, hence the name of this historical event.
The Columbian exchange created completely new trade routes between the Americas and Europe, and both continents obtained goods that were unknown to each until then. Europe obtained from the Americas goods such as the potato, the tomato, chocolate, and tobacco, while the Americas obtained goods such as wheat, livestock animals, and horses.
This event changed completely the history of the two continents.
