1. Define the major events of post-Civil War America, including the Era of Reconstruction and the Second Industrial Revolution.

After the Civil War, the United States emerged as the world's foremost industrial power. With that came great wealth and great poverty.

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.

bujías y una hora antes y no me parece muy difícil