Adoption from different state
I believe the answer is: Deductive argument
In deductive argument,we make<span> the conclusion by </span>reductively<span> by applying general rules to narrow potential possibilities until there is one possibility remains. Deductive argument is considered to be using 'top-down logic' and most commonly used in an investigative process.</span>
They are likely to reason out that the third world nations are undeveloped because of their lack of modern economic activities and they are not well introduced to new techniques or machines that have made them to lack and to be underdeveloped than other world nations.