Here are the answers for 15.2a-15.2c Reading Check (The Inca Empire)

The ordinary people of the Andes 1/1
lived in kin groups called (ayllu)

True/False: Each time the Inca
ruler died, all contestants for the
position from among his male kin
launched an all-out war until a
single man emerged victorious. (True)

Capital city of the Aztec Empire,
which the Mexica reclaimed from
swampland, with a population of
some two hundred thousand
people: (Tenochtitlan)

The Inca's did not incorporate
each conquered land and its
occupants into their kingdom. (False)

Inca system of record keeping
that used knots on strings to
record the population: (quipu)

One lasting product of the Inca
labor system was over 25,000
miles (40,000 km) of magnificent (roads)