D. It increased resentment between urban and rural areas
The Answer is C. It enabled countries to afford large armies.
Explanation:
Commercial revolution gave rise to increased trading routes between countries and also an increase in the trade between countries. There was also the establishment of companies and banking institutions which meant more taxes and income for the countries in this period. The increase in revenue of the countries were important as it ensured an increase in basic amenities as well as countries being able to afford and cater for larger armies.
I think a good answer is is Georgia. This colony was envisioned as a "haven for debtors". But it was not only a colony for debtors: it was actually also meant for "the worthy poor" and the debtors.
It escalated when North Korea Invaded South Korea, When the UN became involved in the conflict to stop war, and also when the US sent in troops and medical units to support South Korea.