Answer:
Zheng He , Marco Polo and Christopher Columbus
Explanation:
Zheng He - was a Chinese explorer who sailed along the Southeast Asian, South Asian, Western Asian, and East African coasts along with his fleet of incredibly large ships and several hundred men (1405–33).
Marco Polo - was an Italian explorer who traveled to the far east and back to his hometown Venice in the matter of 24 years. He is noted for making detailed chronicles of his travels (1271–95).
Christopher Columbus - Famous Italian explorer and possibly the best-known explorer that ever lived. Known for "discovering" America (1492).
Nothings shown on my side
The great myth of the First World War was that defense was all-powerful.
In the inter war years, a new myth appeared -- that the new technology
of the airplane and the tank would result in rapid and massive
breakthroughs on the battlefield, with the enemy being destroyed in
weeks.
Answer:
Explanation:
carried clean water from hilltops into cities and towns.