Answer:
Answer is D.
Explanation:
In the second half of 15th Century many European countries wanted to find a sea route to India. Main reason for that was the continental blockade of the old Silk Road. Countries such as Spain, Portugal and later France, England etc were sending their sailors in different directions which lead to the finding of new sea routes, but also some continents. During this period they started exploring this new areas and later on colonizing them.
Answer:
Guion Stewart Bluford Jr.
Explanation:
(born November 22, 1942) is an American aerospace engineer, retired U.S. Air Force officer and fighter pilot, and former NASA astronaut, who is the first African American and the second person of African descent to go to space.
