Give reasons for Spain and Portugal being the first in the 15th century to venture across the Atlantic.

The reasons: 

(i) In Spain, economic reasons encouraged individuals to become knights of the ocean. 
(ii) The rulers of both Spain and Portugal had a passion for acquiring wealth in the form of gold and treasure for glory titles.

(iii) They also wanted to establish colonies in the regions.

(iv) Many Christians wanted to bring people of another land into the fold of Christianity.

(v) The Christian missionaries wanted to venture across the Atlantic.