Select two of the following roles performed by u. s. presidents: • chief executive • chief legislator • chief diplomat • commander in chief briefly summarize each role and explain specific powers the president can use when assuming this role.

the anasazi indians were real pioneers and created roads and irrigation systems for watering their crops. they were also great architects and the cliff dwellings are one of their biggest achievements.

explanation:

the first settlements began along the huang river because of the importance of the huang river in the beginning of china. it goes back to the story, “the tale of emperor yu”, which references the tale of the great flood, which was caused by the huang river and was believed to create and influence china’s making.