On what was the inca economy based? a.) capitalism b.) trade with distant lands c.) barter d.) currency

Which of the following world and national events led to a new view of people with disabilities in the us:     a.  world war i and ii veterans with disabilities returned home after the wars.b.  john f. kennedy was elected president and had a sister with a disability.c.  the civil rights and feminist movements.d.  all of the above.

Which of the following elements is not typical of an advanced society? a. cities b. science c. industries d. and nomadic lifestyle

In the united state, a system for interaction between unmarried men and woman that casual dating with the purpose of marriage was called