What happens when a monarch has no children?

Under president reagan, the united states began to develop the strategic defense initiative, nicknamed "star wars.” what was the goal of that plan?

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 economic system has become associated with authoritarian governments and total control of the economy? a. capitalism b. mercantilism c. communism d. socialism e. barter