The main reason why <span>Christopher Columbus ventured into the Caribbean in 1492 was because he was searching for a sea route to India, which he why he called the locals "Indians". </span>
Answer:
Scientists believe that Mashkan-shapir's collapse was caused in part by destruction of the fields by mineral salts. When mineral salts concentrate in the upper levels of the soil, it becomes poisonous for plants. In Mesopotamia, irrigation was essential for crop production.\
The radiation left after the war. Along with the many people who died thereafter for many years. This also caused a nuclear war of sorts later on with Russia.
The correct option is D
In 1931, Japan suffered the decline of exports due to the decline of trade in the Great Depression and the protectionist measures that the powers put in place to try to alleviate it. The commanders of the Kwantung Army, which protected the South Manchurian Railway, decided to occupy it, in the hope that the region would serve as a source of food and raw materials and as a market for Japanese products. The military command believed that the invasion would allow to reach the autarky that he considered necessary for the future war with the Western powers that he was convinced would explode.