B is the answer hope this helps
Answer:
He secretly supported Britain
Explanation:
The US secretly sent supplies to Britain as well as continued trade with the allied powers. In addition he allowed Britain to borrow money from the US (kind of a loan).
"The rise of caudillos" would be the best option from the list in terms of the effect of industrialization in Latin American nations during the postwar years, but there are other effects as well.