Historical evidence, Would be used to describe the specific primary and secondary sources that historians use to support their claims, since these sources provide other facts.
Test at the Battle of Somme
British forces firstly used tanks during the time of the Battle of the Somme in September 1916. They had a dramatic effect on German morale with also proved effective in crossing trenches and wire entanglements. But they lost to break through the German lines.
I think its A. verify all the signatures gathered
