Which are characteristics of the incas? (select all that are correct.) a. the inca empire spread across large flat lands in south america. b. they built roads and rope bridges. c. they used couriers. d. they brought diamonds to the americas.

the two things that develop a strong social foundation are: a. separation of church and states e. education received attention separation of church and states separate the illogical  argument that came from religious beliefs to a fact based belief. while education will make us remember the past to avoid the repeat of our mistakes.

number 1 is a)