Answer:
A. Serbia,
Why: It achieved independence in 1867.
Answer:
B
Explanation:
I'm pretty sure this is the answer because nations were constantly arguing over who traded with who and who owned what land
Answer:
Space exploration led to advances in many fields. Some include the telecommunications, micro-technology, computer science and the solar power. It started the efforts of lauching space devices and competitive countries were able to send space probes to places like the moon and even Venus.
