I believe the answer is D. Hope it helps
The Democratic Republicans preferred a decentralized system, fearing that a strong Federal government would be akin to returning to a Monarchy.
They were opposed by the Federalists who wanted a strong Federal government to push the country forward as a unified force.
Trench Warfare was a form of military conflict in which opposing sides fought one another from trenches facing one another. WW1 warfare introduced the first large-scale use of chemical weapons as well as bringing in airplanes and tanks for the first time.
The ming dynasty used a civil service exam to select officials, while the yuan dynasty banned chinese people from participating in government.