<span>many ethnic groups wanted their own nation-states</span>
Answer:
With the Discovery of trench warfare, There was a need for weapons that were capable of long-range destruction and also inflict maximum damage at the same time. this resulted in the invention of many new weapons.
Answer:
need the rest of the question
Explanation:
C I think cause teen pregnanty is not really important then the other answers a brainliest will help :)
Shilof salió casa, I don’t understand thanks