In a economy, habit and custom determine the rules for all economic activity, and behavior is defined by the customs of their elders and ancestors.

i bought a new phone

explanation:

i will send you the money when i get back from lunch

chronological thinking is an indispensable tool to structure a historical narrative and to give meaning to a sequence of events. the final section presents the results of a survey to test the chronological thinking of lower secondary school students carried out by the educational research institute.