What is deadly about a tank in ww1?

In World War I, tanks were deadly due to their ability to cross difficult terrain, break through enemy trenches, and withstand small arms fire, which made them formidable on the battlefield. Their introduction disrupted traditional infantry tactics and provided a psychological advantage, as soldiers faced a new, heavily armored threat. Additionally, tanks could carry machine guns and artillery, allowing them to inflict significant casualties while providing cover for advancing troops. However, they were still vulnerable to anti-tank weapons and mechanical failures, which limited their effectiveness at times.