Answer:
The Great Wall of China is an ancient wall in China. The wall is made of cement, rocks, bricks, and powdered dirt. It was built to protect the north of the empire of China from enemy attacks. It is the longest structure humans have ever built.
Explanation:
Better ships were available so why would they want to.
Link to all your questions of 1930 http://www.history.com/topics/1930s
Answer:Two of the most important elements of climate are temperature and precipitation.
Explanation:
