What country in north america has spanish as its official language?

In the following diagram, four different index fossils are labeled: which of the labeled fossils comes from the oldest organism? a b c d

¿qué parte de la patagonia está en peligro de exinción por su sobrepesca?

In an effort to japan recover from the devastating effects of the 1929 depression, japanese military leaders in the 1930s formed an alliance with nazi germany negotiated more trade treaties with the soviet union closed its doors to western trade adopted a policy of imperialist expansion