Demonstrate how innovation can lead to exchange, interaction and change

Innovation can lead to exchange, interaction and change in the following way: the introduction of a new system or set of rules that neccessarily cause the elimination of the old system (exchange); the need to incorporate the new system by the users, leading them to request information either from those who implment the innovation or from fellow users (interaction); and the modification of old behaviours or patterns of conduct that ultimately affect the broader system or general order in which the innovation is introduced (change). Here is an example that might help you understand these factors more clearly:

Innovation: the implementation of a new bus-transport-payment system for a city in which you pay for your trip by presenting a card to a scanner instead of introducing coins in a machine.

Exchange: the coin-machines are uninstalled to put the scanners in their place.

Interaction: People get on the internet to find out how to charge their bus-cards with money; the city government hires employees to attend on people's doubts via phone or in stands in the street; people ask each other about the system, problems they have had with the cards, and so on.

Change: Ultimately, people can accomodate more rapidly in the bus (since they don't have to stand in line and put in the coins one by one in the old machines), so the bus-service becomes a safer and more practical.

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3.their economies remained dependent on outside powers.

4. drafted new economies

5. democracies have replaced dictatorships