What nations made up the Allied Powers? What nations made up the Central Powers?

What nations were neutral?

Which front (red lines) was the longest?

Which front (red lines) had the most battles?

In which bodies of water was there German U-boat activity?

the allies were russia GB italy france japan  Serbia and the usa the central powers were turkey Germany Austria- Hungary the newtral countries were

Explanation:

Argentina, Chile, Denmark, The Netherlands, Norway, Spain, Venezuela, Sweden and Switzerland. the u boats were most found in belguim

lonegest battle was Verdun

answer; i believe the correct answer is (117);

answer; reincarnation of an eternal soul;