Firstly, in “All Quiet on the Western Front” friendship is displayed. For example, Paul stays with his friend Kemmerich until death (AQWF). Thus, friendship is displayed in “All Quiet on the Western Front”. Secondly, “War Horse” gives examples of friendship. For instance, soldiers of opposite sides work together to free Joey, the horse, from some barbed wire (War Horse). Thus, friendship is shown in “War Horse”. Thirdly, “Flyboys” includes the theme of friendship. To illustrate, Briggs apologizes to Skinner for being racist to him before (Flyboys). Thus, friendship is included in “Flyboys”. For all these reasons, friendship is often a main theme of WWI