Answer:
Da Gama sailed around Africa to India
It grew in wealth and importance
Portugal became the leader of the navigational arts in Europe
Explanation:
Portugal, the western-most European nation, was one of the essential players in the European Age of Discovery and Exploration. Under the authority of Prince Henry the Navigator, Portugal played the chief job amid the majority of the fifteenth century in looking for a course to Asia by cruising south around Africa. Simultaneously, the Portuguese collected an abundance of learning about route and the topography of the Atlantic Ocean.
Option 'B' = changes in climate, had the greatest impact on pre-historic man.
Changes on the weather forced men to move periodically or cyclically, usually returning to their original location at various times. When they moved to colder climates, they would make clothing out of animal skins, to protect themselves. When the nomads learned how to plant, they didn't need to search for other places anymore.
Answer:
Correct answer is diary entries by President Carter
.
Explanation:
Third and fourth options are not correct as first of all textbook and encyclopedia are not a primary, but a secondary historical source.
On the other side, diary entries are the best primary source because are written sources from the perspective of someone who participated in certain events, in this case president Carter.
Second option is not correct option, but after the diary journal articles would be also important as are written in the period when certain events happened.
