Why did Columbus choose to sail west rather than east? He believed that the Spanish and the Portuguese vessels would end up fighting battles over trade routes. He believed that he would find lands to the west for trade He believed that the earth was smaller than it was and that the route west would be shorter​

Columbus reasoned that since the world is round, he could sail west to reach “the east” (the lucrative lands of India and China). That reasoning was actually sound, but the Earth is much larger than Columbus thought—large enough for him to run into two enormous continents (the “New World” of the Americas) mostly unknown to Europeans.

b

Explanation:

took test

the name of the theory is landmass theory.