Why are the Orinoco and the Magdalena rivers so important in the tropical north of South America? A
The rivers form important routes into the agricultural and industrial interior of the region.
B
The winds along the rivers keep the climate very hot and dry like a desert.
С
Irrigation from the rivers make it a good place to apples and pears.
D
Fishing is a major industry along the rivers and brings in a lot of money and tourism to the region.

Answer =A

Explanation:

The Magdalena is the fifth-largest river basin in South America, flowing for almost a thousand miles from the Andes to the Caribbean. It’s home to many diverse ecosystems including forest, mountains, valleys, wetlands and ocean, and supports 2,735 species of animals, many of which are endemic to the region.

your answer would be (b)

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.