The answer for your question this the first one witch is (A)
Answer: Spain
Explanation: Christopher Columbus was sent to India by King Ferdinand & Queen Isabella. Instead of taking the normal route Christopher tried to go across the world. And ended up in North America & later reaching South America. When King heard there was gold he sent many men to take over the new land conquering Central America, portions of the Caribbean & larger portions of South America
They are close to the equator, another reason is because of the tropical maritime location, temperature changes throughout the region are generally small.
To reduce or prevent the detrimental effects of flood waters
