Cititi orarul trenurilor, orarul scolilor, un bilet de calatorie. Ce indicii si semne sint utilizate?Ce cifre apar in calitate de semne ?

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the factors that the economies of the muslim empires prosper were:

1- land trade routes-located between three continents  

2- sea trade routes

trade contributed to the spread of muslim empires, and with that islamic culture led to a growing feeling of internationalism resulted in the transfer of technology, science, and other cultural forms.