There were 5 great achievements, but one of them were Architecture. The ancient Romans developed many new techniques for buildings and construction of all types including concrete, Roman roads, Roman arches, and aqueducts, which evolved their time period.
The third Reich is the correct answer
Answer:
Was an international diplomatic group developed after world war 1 as a way to solve disputes between countries before they erupted into open warfare
I think D if I’m wrong I’m so sorry