During the late 19th century, what type of building structure became popular? a.
Underground Structures
c.
Duplexes
b.
Skyscraper
d.
None of the above

Enlightenment thinkers most contributed to the development of whichpolitical idea? a. religious leaders should play the largest role in establishing asociety's laws. b. democratic governments have the responsibility to protect humanrights. c. criminals must be punished harshly if a society is to maintainorder. d. written constitutions place unnecessary restrictions ongovernments' powers.

Most members of the socialist party of america believed that the government should protect workers by: a.) operating big businesses. b.) outlawing strikes. c.) outlawing unions. d.) all of the above.

Without specializing, the total output for both countries after two days would be 48. if country a were to specialize in petroleum, its output would be after two days. if country b were to specialize in seafood, its output would be after two days.