Which of the following is not a reason many industries moved south from northern cities during the 20th century? a. land was cheaper in the south b. industrial plants were often newer, in better condition, and more efficient than those in the north c. labor unions were less common in the south d. the south has more of a diverse population

D. i might be wrong but it seems the logical choice

there are a number of different ideologies that come into conflict with regard to immigrants and immigration to the us.

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.