The expansion of industry throughout florida in the late-19th century led to a) healthier lifestyles. b) greater financial security. c) better wages and employee benefits. d) construction of highways and railroads.

D. Construction of highways and railroads

the triple alliance. germany and austria-hungary were already allies by 1879 when, worried about a threat from russia, they formed the dual alliance. italy joined the group in 1882. there was a concern about a possible attack from france and the alliance needed powerful friends to defend it.