The Heckscher-Ohlin Theory ________ in Explaining Why Some Countries Export

The Heckscher-Ohlin theory ________ in explaining why some countries export oil while others export textiles.

A) emphasizes the interplay between the proportions in which the factors of production (such as land, labour, and capital) are available in different countries
B) emphasizes international differences in labour productivity
C) emphasizes international differences in intellectual capital
D) emphasizes international differences in cultural histories
E) emphasizes the difference in living standards of consumers