TWO things the Inca civilization were known for was

Answer : Notable features of the Inca Empire included its monumental architecture, especially stonework, extensive road network reaching all corners of the empire, finely-woven textiles, use of knotted strings (quipu) for record keeping and communication, agricultural innovations

Explanation:

Inca Empire included its  architecture, especially stonework, extensive road network reaching all corners of the empire, finely-woven textiles and culture, art

Explanation:

They had such unique architchre and culture and art

the answer is: c. c.it limited the president’s power to start wars.

the war powers resolution of 1973 requires the president to notify the congress whenever the president wanted to order a military operation to other countries within 48 hours. if after being reviewed the congress disagree with the proposal, that the president will be banned from ordering the operation.