It is during the second major working phase that historians ask a big question, since this is phase after the preliminary research as been completed.
Marco Polo made an impact to later on European travelers, by his travels and discoveries. Marco Polo was known by a man that had many travels and he survived many of them, even though they had diseases and the fatigue of the travel. In his book that he wrote called The Travels of Marco Polo focuses mainly on descriptions of spices and commercial goods and many other interesting trade items he encountered in his travels. Marco Polo had a great impact on the area of what is now China. Because of his travels through the Eastern areas, he brought some of the cultures to the East and he also took some of the East cultures back to the West. However, Marco Polo wasn't able to fully connect the West with the East, so he engaged the future European explores to interact more with the Eastern areas. Many explorers also then had the curiosity to know and discover different places like Marco Polo. Another famous explorer that also made a big impact was Christopher Columbus which who discover America, and he also brought the cultures.
One of the central developments of the second half of the 20th
