D is not an idea that impacted the colonies so the answer is D
Answer:
А
He opened a school in Portugal to teach new navigational techniques.
Explanation:
Prince Henry the Navigator of Portugal was popular for his role in the formation and development of the Portuguese empire in the middle of the fifteenth century, particularly in the exploration of other continents including West Africa and the Atlantic ocean.
He was known to have established a school for navigation to teach the people the art and science of sailing and mapmaking. He also had his cartographers working with ship captains. And at the same time, he financed and motivated exploration.
Answer:
Among the advantages we can name the fact that across most Europe there are fertile soils, long river systems, the terrain makes traveling easy and therefore more open to trade since there are no physical borders.
However, this same factor turns into a serious disadvantage in times of war. The lack of physical borders makes countries easier to invade, as was probed in the numerous cities captured by the Nazi regime in WWII. Disease transmissions and undesired immigration are also a frequent problem with open borders.
