-
Comercio con intercambio de bienes.
-Trueque.
-Alimento.
-vestido.
-Armas (defensa comunidad).
Comunidad A cambia excedentes a la comunidad B.
Plan projects on a visual timeline
Map milestones, phases, deadlines, and key events in one place so the sequence is easier to see and share. Timetoast is a timeline maker for work, school, research, and stories.