Best weapon used in world war 1?

Some examples (but this is probably not the entire list) include:

• Maxim MG'08 (Germany)
• Maxim M1910 (Soviet Union)
• Vickers (United Kingdom)
• Springfield M1917 (United States)
• Chauchat (France, United States)
• Hotchkiss M1909 (France, United States, United Kingdom)
• Hotchkiss M1914 (France, United States)
• Bergman MG15 (Germany

and many others
Operations wise-blowback, recoil, gas, They can be either open bolt or closed bolt, magazine fed, stripper clip fed, belt fed, drum fed, chute fed.