It's 10 points, not 20. also, this isn't how Brainly should be used. Brainly isn't a "do my homework for me" website, it's a "help me with my homework" website. What you should do is research and write on your own, and ask for help/guidance with it on here
Answer:
B. A large fleet of warships
Naval warfare.
Land warfare.
Artillery.
Chemical warfare.
Mobile warfare.
Aerial warfare
End of <span>the Civil War to 1900</span>
Spanish is the main language in most central american countries
