yes
Usually means rifle, as in K.R.RIF.C. King's Royal Rifle Corps or Rif.c for Rifle Corp.
standard battle rifle of u.s soldiers in WWI was a 1903 Sprinfield bolt action rifle. As for machine guns the most commonly used was a variation of hiram maxims machine gun, but they did use the 1917 browning designed one towards the end of the war
clemenceau
the first rifle is said to be the ross rifle. i researched it but look it up for your self just in case
M1917
tanks
yes
6.5 mm Arisaka Rifle
Lee Enfield 303
Yes
ross rifle
Mauser
The Mauser es340b was a single shot .22 long rifle. It was made too look and feel like a Mauser 98K. It is not a sniper rifle. It is a target rifle.
no
yes
It was a french rifle. Used extensively durin War of the Pacific http://users.skynet.be/HL-Editions/comblain/comblain1.htm