How is the process of thinking chronologically similar to that of creating a timeline

answer; ///i believe that the correct answer is refrigerants,(like r12) and aerosol

the triple alliance. germany and austria-hungary were already allies by 1879 when, worried about a threat from russia, they formed the dual alliance. italy joined the group in 1882. there was a concern about a possible attack from france and the alliance needed powerful friends to defend it.